remove npv in roi calculator
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SHA256:kOXg1R6c11XW3/Pt9dbLdQvOJGFAy+B2K6v6PtRWBGQ
2 changed files with 3 additions and 67 deletions
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@ -51,7 +51,6 @@ class ROICalculator {
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return {
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investmentAmount: parseFloat(document.getElementById('investment-amount').getAttribute('data-value')),
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timeframe: parseInt(document.getElementById('timeframe').value),
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discountRate: parseFloat(document.getElementById('discount-rate').value) / 100,
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revenuePerInstance: parseFloat(document.getElementById('revenue-per-instance').value),
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servalaShare: parseFloat(document.getElementById('servala-share').value) / 100,
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gracePeriod: parseInt(document.getElementById('grace-period').value)
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@ -81,11 +80,6 @@ class ROICalculator {
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let cumulativeCSPRevenue = 0;
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let cumulativeServalaRevenue = 0;
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let breakEvenMonth = null;
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let npvBreakEvenMonth = null;
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let totalDiscountedCashFlow = -inputs.investmentAmount;
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// Calculate monthly discount rate
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const monthlyDiscountRate = Math.pow(1 + inputs.discountRate, 1 / 12) - 1;
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// Track phase progression
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let currentPhase = 0;
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@ -130,15 +124,6 @@ class ROICalculator {
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breakEvenMonth = month;
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}
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// Calculate NPV break-even
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const discountFactor = Math.pow(1 + monthlyDiscountRate, month);
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const discountedCashFlow = cspRevenue / discountFactor;
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totalDiscountedCashFlow += discountedCashFlow;
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if (npvBreakEvenMonth === null && totalDiscountedCashFlow >= 0) {
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npvBreakEvenMonth = month;
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}
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monthlyData.push({
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month,
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scenario: scenario.name,
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@ -150,8 +135,6 @@ class ROICalculator {
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servalaRevenue,
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cumulativeCSPRevenue,
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cumulativeServalaRevenue,
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discountedCashFlow,
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totalDiscountedCashFlow: totalDiscountedCashFlow + inputs.investmentAmount,
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investmentScaleFactor: investmentScaleFactor,
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adjustedChurnRate: adjustedChurnRate
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});
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@ -162,7 +145,6 @@ class ROICalculator {
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// Calculate final metrics
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const totalRevenue = cumulativeCSPRevenue + cumulativeServalaRevenue;
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const roi = ((cumulativeCSPRevenue - inputs.investmentAmount) / inputs.investmentAmount) * 100;
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const npv = totalDiscountedCashFlow;
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return {
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scenario: scenario.name,
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@ -171,9 +153,7 @@ class ROICalculator {
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cspRevenue: cumulativeCSPRevenue,
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servalaRevenue: cumulativeServalaRevenue,
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roi,
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npv,
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breakEvenMonth,
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npvBreakEvenMonth,
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monthlyData,
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investmentScaleFactor: investmentScaleFactor,
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adjustedChurnRate: adjustedChurnRate * 100
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@ -370,7 +350,6 @@ class ROICalculator {
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<td>${this.formatCurrencyDetailed(result.servalaRevenue)}</td>
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<td class="${result.roi >= 0 ? 'text-success' : 'text-danger'}">${this.formatPercentage(result.roi)}</td>
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<td>${result.breakEvenMonth ? result.breakEvenMonth + ' months' : 'N/A'}</td>
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<td>${result.npvBreakEvenMonth ? result.npvBreakEvenMonth + ' months' : 'N/A'}</td>
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`;
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});
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}
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@ -552,11 +531,6 @@ function updateInvestmentAmount(value) {
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updateCalculations();
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}
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function updateDiscountRate(value) {
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document.getElementById('discount-rate').value = value;
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updateCalculations();
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}
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function updateRevenuePerInstance(value) {
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document.getElementById('revenue-per-instance').value = value;
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updateCalculations();
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@ -716,7 +690,6 @@ function exportToPDF() {
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const params = [
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['Investment Amount:', calculator.formatCurrencyDetailed(inputs.investmentAmount)],
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['Investment Timeframe:', `${inputs.timeframe} years`],
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['Discount Rate:', `${(inputs.discountRate * 100).toFixed(1)}%`],
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['Revenue per Instance:', calculator.formatCurrencyDetailed(inputs.revenuePerInstance)],
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['Servala Revenue Share:', `${(inputs.servalaShare * 100).toFixed(0)}%`],
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['Grace Period:', `${inputs.gracePeriod} months`]
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@ -756,8 +729,7 @@ function exportToPDF() {
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['CSP Revenue:', calculator.formatCurrencyDetailed(result.cspRevenue)],
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['Servala Revenue:', calculator.formatCurrencyDetailed(result.servalaRevenue)],
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['ROI:', calculator.formatPercentage(result.roi)],
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['Break-even:', result.breakEvenMonth ? `${result.breakEvenMonth} months` : 'Not achieved'],
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['NPV Break-even:', result.npvBreakEvenMonth ? `${result.npvBreakEvenMonth} months` : 'Not achieved']
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['Break-even:', result.breakEvenMonth ? `${result.breakEvenMonth} months` : 'Not achieved']
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];
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resultData.forEach(([label, value]) => {
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@ -803,8 +775,6 @@ function exportToPDF() {
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doc.text('• Churn rates reflect typical SaaS industry standards', 30, yPos);
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yPos += 6;
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doc.text('• Revenue calculations include grace period provisions', 30, yPos);
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yPos += 6;
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doc.text('• NPV calculations use specified discount rate', 30, yPos);
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}
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// Add footer
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@ -838,17 +808,16 @@ function exportToCSV() {
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const inputs = calculator.getInputValues();
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csvContent += `Investment Amount,${inputs.investmentAmount}\n`;
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csvContent += `Timeframe (years),${inputs.timeframe}\n`;
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csvContent += `Discount Rate (%),${(inputs.discountRate * 100).toFixed(1)}\n`;
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csvContent += `Revenue per Instance,${inputs.revenuePerInstance}\n`;
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csvContent += `Servala Share (%),${(inputs.servalaShare * 100).toFixed(0)}\n`;
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csvContent += `Grace Period (months),${inputs.gracePeriod}\n\n`;
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// Add scenario summary
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csvContent += 'SCENARIO SUMMARY\n';
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csvContent += 'Scenario,Final Instances,Total Revenue,CSP Revenue,Servala Revenue,ROI (%),Break-even (months),NPV Break-even (months)\n';
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csvContent += 'Scenario,Final Instances,Total Revenue,CSP Revenue,Servala Revenue,ROI (%),Break-even (months)\n';
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Object.values(calculator.results).forEach(result => {
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csvContent += `${result.scenario},${result.finalInstances},${result.totalRevenue.toFixed(2)},${result.cspRevenue.toFixed(2)},${result.servalaRevenue.toFixed(2)},${result.roi.toFixed(2)},${result.breakEvenMonth || 'N/A'},${result.npvBreakEvenMonth || 'N/A'}\n`;
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csvContent += `${result.scenario},${result.finalInstances},${result.totalRevenue.toFixed(2)},${result.cspRevenue.toFixed(2)},${result.servalaRevenue.toFixed(2)},${result.roi.toFixed(2)},${result.breakEvenMonth || 'N/A'}\n`;
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});
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csvContent += '\n';
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@ -903,8 +872,6 @@ function resetCalculator() {
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investmentInput.value = '500,000';
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document.getElementById('investment-slider').value = 500000;
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document.getElementById('timeframe').value = 3;
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document.getElementById('discount-rate').value = 10;
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document.getElementById('discount-slider').value = 10;
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document.getElementById('revenue-per-instance').value = 50;
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document.getElementById('revenue-slider').value = 50;
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document.getElementById('servala-share').value = 25;
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@ -57,7 +57,6 @@
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<p><strong>Monthly Revenue per Instance:</strong> The recurring revenue generated from each managed service instance (excl. compute).</p>
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<p><strong>Servala Revenue Share:</strong> Percentage of revenue shared with Servala after the grace period. This is Servala's platform fee.</p>
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<p><strong>Grace Period:</strong> Initial months where you keep 100% of revenue before sharing begins with Servala.</p>
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<p><strong>Discount Rate:</strong> Used for NPV calculations - represents your required rate of return or cost of capital.</p>
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</div>
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<h6 class="text-primary mb-2 mt-3"><i class="bi bi-graph-up"></i> Growth Scenarios</h6>
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@ -68,14 +67,10 @@
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<p>Each scenario has 4 growth phases with customizable instance acquisition rates in Advanced Parameters.</p>
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</div>
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<h6 class="text-primary mb-2 mt-3"><i class="bi bi-calculator"></i> What is NPV?</h6>
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<p class="small"><strong>Net Present Value (NPV)</strong> represents the current worth of future cash flows, discounted back to today's value using your discount rate. A positive NPV indicates the investment is profitable. NPV accounts for the time value of money - money received today is worth more than the same amount received in the future.</p>
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<h6 class="text-primary mb-2 mt-3"><i class="bi bi-bullseye"></i> Understanding Results</h6>
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<div class="small">
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<p><strong>ROI:</strong> Return on Investment as a percentage of your initial investment.</p>
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<p><strong>Break-even:</strong> Month when cumulative revenue equals your initial investment.</p>
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<p><strong>NPV Break-even:</strong> Month when discounted cash flows become positive (more accurate timing).</p>
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<p><strong>Churn:</strong> Monthly percentage of instances that stop generating revenue (customer loss).</p>
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</div>
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</div>
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@ -158,31 +153,6 @@
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</select>
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</div>
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<div class="input-group-custom">
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<label for="discount-rate">
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Discount Rate for NPV (%)
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<i class="bi bi-question-circle-fill text-muted ms-1"
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data-bs-toggle="tooltip"
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data-bs-placement="top"
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title="The discount rate represents your required rate of return or cost of capital. It's used to calculate the present value of future cash flows. A higher rate means you need higher returns to justify the investment. For example: 8-10% for conservative investors, 12-15% for moderate risk tolerance, 15-20% for high-risk/high-return expectations. This rate accounts for inflation, risk, and opportunity cost of your capital."
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style="cursor: help; font-size: 0.8rem;"></i>
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</label>
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<input type="number" class="form-control" id="discount-rate"
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min="5" max="20" step="0.5" value="10"
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onchange="updateCalculations()">
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<div class="slider-container">
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<input type="range" class="slider" id="discount-slider"
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min="5" max="20" step="0.5" value="10"
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onchange="updateDiscountRate(this.value)">
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</div>
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<small class="text-muted">5% - 20% (your required annual return rate)</small>
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</div>
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</div>
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<!-- Revenue Model -->
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<div class="calculator-section">
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<h4><i class="bi bi-graph-up"></i> Revenue Model</h4>
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<div class="input-group-custom">
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<label for="revenue-per-instance">Monthly Revenue per Instance</label>
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<div class="input-group">
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@ -534,7 +504,6 @@
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<th>Servala Revenue</th>
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<th>ROI</th>
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<th>Break-even</th>
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<th>NPV Break-even</th>
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</tr>
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</thead>
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<tbody id="comparison-tbody">
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