diff --git a/src/PowderCoating.Application/Services/PricingCalculationService.cs b/src/PowderCoating.Application/Services/PricingCalculationService.cs
index ff16d20..c86fef6 100644
--- a/src/PowderCoating.Application/Services/PricingCalculationService.cs
+++ b/src/PowderCoating.Application/Services/PricingCalculationService.cs
@@ -391,16 +391,8 @@ public class PricingCalculationService : IPricingCalculationService
             baseSubtotal = baseUnitPrice * item.Quantity;
             _logger.LogInformation("Catalog base: ${Price} × {Qty} = ${Base}", baseUnitPrice, item.Quantity, baseSubtotal);
 
-            // Optionally add prep service labor cost for catalog items (opt-in toggle in wizard)
-            // AI items exclude prep cost — it's already baked into the AI estimate
-            if (!item.IsAiItem && item.IncludePrepCost && item.PrepServices != null && item.PrepServices.Any())
-            {
-                var totalPrepMinutes = item.PrepServices.Sum(ps => ps.EstimatedMinutes);
-                var prepLaborCost = (totalPrepMinutes / 60m) * costs.StandardLaborRate;
-                baseSubtotal += prepLaborCost;
-                totalLaborCost += prepLaborCost;
-                _logger.LogInformation("Catalog item prep cost: {Min}min × ${Rate}/h = ${Cost}", totalPrepMinutes, costs.StandardLaborRate, prepLaborCost);
-            }
+            // Catalog DefaultPrice is always the base — prep service labor is never added on top.
+            // PrepServices on catalog items are used for scheduling only, not pricing.
 
             // Custom (non-inventory) powder coats must be purchased separately — add their material
             // cost on top of the catalog base price. Inventory powder is assumed baked into DefaultPrice.
diff --git a/src/PowderCoating.Web/Views/Quotes/Details.cshtml b/src/PowderCoating.Web/Views/Quotes/Details.cshtml
index d4ff49b..01dc410 100644
--- a/src/PowderCoating.Web/Views/Quotes/Details.cshtml
+++ b/src/PowderCoating.Web/Views/Quotes/Details.cshtml
@@ -1230,7 +1230,7 @@
                                         var priceBeforeDiscount = pb.Total + pb.DiscountAmount;
                                         var marginBeforeDiscount = priceBeforeDiscount > 0 ? ((priceBeforeDiscount - totalDirectCost) / priceBeforeDiscount * 100m) : 0m;
                                         <div class="small text-muted">
-                                            Without discount: @marginBeforeDiscount.ToString("F1")% — discount cost you @(marginBeforeDiscount - effectiveMargin).ToString("F1") margin points
+                                            Without discount: @marginBeforeDiscount.ToString("F1")% — discount cost you @((marginBeforeDiscount - effectiveMargin).ToString("F1")) margin points
                                         </div>
                                     }
                                 }