Minor cleanup

src/engine/gameManager/ForgeManager.java

@@ -130,11 +130,11 @@ public enum ForgeManager implements Runnable {
             if (!workOrder.multiple_slot_request && workOrder.total_to_produce == 0)
                 workOrder.total_to_produce = 1;
 
-            workOrder.total_to_produce *= workOrder.slots_used;
-            workOrder.production_cost = calcProductionCost(workOrder);
-
             // Set total cost for this production run
 
+            workOrder.total_to_produce *= workOrder.slots_used;
+
+            workOrder.production_cost = calcProductionCost(workOrder);
             workOrder.production_cost_total.putAll(workOrder.production_cost);
             workOrder.production_cost_total.forEach((key, value) -> workOrder.production_cost_total.put(key, value * workOrder.total_to_produce));