10-29 Standards and Job Order Costing other manufacturing Finley Foundry Corp. manufactures iron castings to order for companies. A standard costing system is used in which raw materials carried at actual costs. The following standards have been established for one part, the 3,2" bushing. Used Materials, 3 lb. $.50..............................$1.50 Labor, 1/3 hr. $6.00 200 Standard prime unit cost