asset windows to display correct modified maintenance

src/engine/objects/Blueprint.java

@@ -167,10 +167,7 @@ public class Blueprint {
     // based upon the building's current rank
 
     public static int getNpcMaintCost(int rank) {
-        int maintCost = Integer.MAX_VALUE;
-
-        maintCost = (9730 * rank) + 1890;
-
+        int maintCost = 0;
         return maintCost;
     }
 
@@ -611,17 +608,10 @@ public class Blueprint {
 
         switch (this.buildingGroup) {
             case TOL:
-            case BARRACK:
-                maintCost = (61500 * rank) + 19500;
-                break;
-            case SPIRE:
-                maintCost = (4800 * rank) + 1200;
+                maintCost = 3000000;
                 break;
             default:
-                if (maxRank == 1)
-                    maintCost = 22500;
-                else
-                    maintCost = (15900 * rank) + 3300;
+                maintCost = 0;
                 break;
         }