Curtis Inc. uses a job order costing system. Manufacturing overhead is applied on the basis of direct labor cost. Total manufacturing overhead was estimated to be $45,090 for the year; direct labor was estimated to total $150,300. Raw Materials Inventory Work in Process Inventory Finished Goods Inventory (1/1) (12/31) $11,900 $13,900 $23,500 $17,500 $35,600 $39,300 The following transactions have occurred during the year. Raw materials purchases Direct materials used Direct labor Indirect materials used Indirect labor Factory equipment depreciation Factory rent Factory utilities. Other factory costs: $109,000 $146,100 $ 99,700 $ 7,300 $ 16,900 $ 24,100 $ 19,700 $ 7,900 $ 8,100 (a) Calculate the predetermined overhead rate. Predetermined Overhead Rate : 3:% (b) Calculate cost of goods manufactured. Cost of Goods Manufactured $ 438,3003