diff --git a/hub/services/static/js/roi-calculator/calculator-core.js b/hub/services/static/js/roi-calculator/calculator-core.js
index 86f5511..3d25b21 100644
--- a/hub/services/static/js/roi-calculator/calculator-core.js
+++ b/hub/services/static/js/roi-calculator/calculator-core.js
@@ -257,17 +257,15 @@ class ROICalculator {
                 }
             });
 
-            // Update UI
-            setTimeout(() => {
-                this.updateSummaryMetrics();
-                this.updateCharts();
-                this.updateComparisonTable();
-                this.updateMonthlyBreakdown();
+            // Update UI immediately
+            this.updateSummaryMetrics();
+            this.updateCharts();
+            this.updateComparisonTable();
+            this.updateMonthlyBreakdown();
 
-                // Hide loading spinner
-                if (loadingSpinner) loadingSpinner.style.display = 'none';
-                if (summaryMetrics) summaryMetrics.style.display = 'flex';
-            }, 500);
+            // Hide loading spinner
+            if (loadingSpinner) loadingSpinner.style.display = 'none';
+            if (summaryMetrics) summaryMetrics.style.display = 'flex';
         } catch (error) {
             console.error('Error updating calculations:', error);
             // Hide loading spinner on error