Simmons Inc. applies overhead to production at a predetermined rate of 90% based on direct labor cost. Job No. 250, the only job still in process at the end of August, has been charged with manufacturing overhead of $7,200. What was the amount of direct materials charged to Job 250 assuming the balance in Work in Process inventory is $30,000? $8,000. $14,800. $30,000. $7,500.