Tyare Corporation had the following inventory balances at the beginning and end of May: During May, $59 , 000 in raw materials (all direct materials) were drawn from inventory and used in production. The company's predetermined overhead rate was $12 per direct labor-hour, and it paid its direct labor workers $15 per hour. A total of 310 hours of direct labor time had been expended on the jobs in the beginning Work in Process inventory account. The ending Work in Process inventory account contained $7 , 100 of direct materials cost. The Corporation incurred $42 , 150 of actual manufacturing overhead cost during the month and applied $39 , 900 in manufacturing overhead cost. The direct materials cost in the May 1 Work in Process inventory account totaled: Multiple Choice $10 , 280 $5 , 630 $9 , 350 $4 , 650.