4-35 Proration of overhead. The Row-On-Watershed Company (ROW) produces a line of non-motorized boats. ROW uses a normal-costing system and allocates manufacturing overhead using direct manufacturing labor cost. The following data are for 2020: Budgeted manufacturing overhead cost $110,000 Budgeted direct manufacturing labor cost $220,000 Actual manufacturing overhead cost $117,000 Actual direct manufacturing labor cost $230,000 Inventory balances on December 31, 2020, were as follows: Account Ending balance 2020 direct manufacturing labor cost in ending balance Work in process $41,500 $ 23,000 Finished goods 232,400 66,700 Cost of goods sold 556,100 140,300