Watercraft's predetermined overhead rate is 200% of dir bor. Information on the company's production activities during May follows. a. Purchased raw materials on credit, $220,000. b. Materials requisitions record use of the following materials for the month. c. Time tickets record use of the following labor for the month. These wages were paid in cash. d. Applied overhead to Jobs 136, 138, and 139. e. Transferred Jobs 136,138 , and 139 to Finished Goods Inventory. f. Sold Jobs 136 and 138 on credit at a total price of $545,000. g. Recorded the cost of goods sold for Jobs 136 and 138. h. Incurred the following actual other overhead costs during the month. i. Applied overhead at month-end to the Work in Process Inventory account (for Job 137 and 140) using the predetermined overhead rate of 200% of direct labor cost. 4. (a) Compute the total cost of each job in process and prove that the sum of their costs equals the Work in Process Inventory account balance. (b) Compute the total cost of each job finished but not sold, and prove that the sum of their costs equals the Finished Goods Inventory balance. (c) Compute the total cost of each job sold, and prove that the sum of their costs equals the Cost of Goods Sold balance