Tyare Corporation had the following inventory balances at the beginning and end of May: Durime May, $58,500 in raw materials (all direct materials) were drawn from inyentory and used in production. The compary's predetermined overhead rate was $12 per direct labor-hour, and it paid its direct labor workets $15 per hour. A total of 300 hours of direct labor time had been eapenced on the jobs in the beginning Work in. Process irwentory account. The ending Work in Process inventory accourt contained $7.050 of direct inaterials tost. The Corporation incurred 542,000 of actual manufacturing overhead cost during the month and opplied $39,600h manulacturing orethead cov. The actual direct bber-hours worked durine May totaled. 2000 houm 2.600 hour 2300 hours 3.500 hears