Work in Process Account Data for Two Months; Cost of Production Reports process cost system to record the costs of manufacturing rolled aluminum, which consists of the smelting and rolling processes. Materials are entered from smelting at the beginning of the rolling process. The inventory of Work in Process-Rolling on September 1 and debits to the account during September were as follows: Pittsburgh Aluminum Company uses Bal., 1,200 units, 70% completed: Direct materials (1,200 x $6.7) Conversion (1,200 x 70% x $2.8) $ 8,040 2,352 $ 10,392 From Smelting Department, 25,800 units $175,440 Direct labor 46,484 Factory overhead 25,030 During September, 1,200 units in process on September 1 were completed, and of the 25,800 units entering the department, all were completed except 2,500 units that were 40% completed. Charges to Work in Process Rolling for October were as follows: From Smelting Department, 29,700 units $207,900 Direct labor 58,340 Factory overhead 31,420 During October, the units in process at the beginning of the month were completed, and of the 29,700 units entering the department, all were completed except 1,600 units that were 20% completed. Required: 1. Enter the balance as of September 1 in a four-column account for Work in Process-Rolling. Record the debits and the credits in the account for September. Construct a cost of production report and present computations for determining (a) equivalent units of production for materials and conversion, (b) costs per equivalent unit, (c) cost of goods finished, differentiating between units started in the prior period and units started and finished in September, and (d) work in process inventory. If an amount box does not require an entry, leave it blank. ACCOUNT Work in Process-Rolling Department ACCOUNT NO. BALANCE DATE ITEM POST. REF. DEBIT CREDIT DEBIT CREDIT Sept. 1 Bal., 1,200 units, 70% completed 10,392 Sept. 30 Smelting Dept., 25,800 units at $6.8 175,440 185,832 Sept. 30 Direct labor 46,484 232,316 DI Sept. 30 Factory overhead 25,030 257,346 Sept. 30 Finished goods Sept. 30 Bal., 2,500 units, 40% completed