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Tyare Corporation had the following inventory balances at the beginning and end of May: During May, \$63,000 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 pald its direct labor workers $15 per hour. A total of 390 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 $7,500 of direct materials cost. The Corporation incurred $43,350 of actual manufocturing overhead cost during the month and opplied $42,300 in manufacturing overhead cost. The direct materials cost in the May 1 Work in Process inventory account totaled: Multiple Choice $13,320 $7,470 $12,150 $5,850