Update CP14SellWhitelistService.cs

Content.Shared/_CP14/Cargo/Prototype/SellServices/CP14SellWhitelistService.cs

@@ -1,3 +1,4 @@
+using Content.Shared.Stacks;
 using Content.Shared.Whitelist;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Utility;
@@ -36,8 +37,13 @@ public sealed partial class CP14SellWhitelistService : CP14StoreSellService
             if (!whitelistSystem.IsValid(Whitelist, ent))
                 continue;
 
+            var count = 1;
+
+            if (entManager.TryGetComponent<StackComponent>(ent, out var stack))
+                count = stack.Count;
+
             suitable.Add(ent);
-            needCount -= 1;
+            needCount -= count;
         }
 
         if (needCount > 0)