Overflow calc updated

src/engine/gameManager/ForgeManager.java

@@ -367,9 +367,8 @@ public enum ForgeManager implements Runnable {
     public static boolean debitWorkOrderCost(WorkOrder workOrder) {
 
         int strongbox = workOrder.vendor.building.getStrongboxValue();
-        int overflow = strongbox - workOrder.production_cost_total.get(mbEnums.ResourceType.GOLD);
 
-        if (overflow > 1 || workOrder.production_cost_total.size() > 1) {
+        if (workOrder.production_cost_total.get(mbEnums.ResourceType.GOLD) > strongbox) {
 
             // Deduct total cost from warehouse