expose material cost

closes #3173

src/NetscriptFunctions/Corporation.ts

@@ -352,6 +352,7 @@ export function NetscriptCorporation(
       const materialName = helper.string("getMaterial", "materialName", _materialName);
       const material = getMaterial(divisionName, cityName, materialName);
       return {
+        cost: material.bCost,
         name: material.name,
         qty: material.qty,
         qlt: material.qlt,

src/ScriptEditor/NetscriptDefinitions.d.ts

@@ -6919,6 +6919,8 @@ interface Material {
   prod: number;
   /** Amount of material sold */
   sell: number;
+  /** cost to buy material */
+  cost: number;
 }
 
 /**