Dacosta Corporation had only one job in process on May 1. The job had been charged with $1,800 of direct materials, $6,966 of direct labor, and $9,936 of manufacturing overhead cost. The company assigns overhead cost to jobs using the predetermined overhead rate of $18.40 per direct labor-hour During May, the following activity was recorded: Raw materials (all direct materials): Beginning balance Purchased during the month $8,500 $38,000 $39,300 Used in production Labor: Direct labor-hours worked during the month 1,900 $24,510 Direct labor cost incurred $33,300 Actual manufacturing overhead costs incurred Inventories: Raw materials, May 30 Work in process, May 30 $16,937 Work in process inventory on May 30 contains $3,741 of direct labor cost. Raw materials consist solely of items that are classified as direct materials. The balance in the raw materials inventory account on May 30 was: Multiple Choice $7,200 $29,500 $1,300 $30,800 Kalp Corporation has two production departments, Machining and Finishing. The company uses a job-order costing system and computes a predetermined overhead rate in each production department. The Machining Department's predetermined overhead rate is based on machine-hours and the Finishing Department's predetermined overhead rate is based on direct labor-hours. At the beginning of the current year, the company had made the following estimates: Machining Finishing Machine-hours 19,000 12,000 Direct labor-hours 2,000 8,000 $69,600 Total fixed manufacturing overhead cost $136,800 Variable manufacturing overhead per machine-hour Variable manufacturing overhead per direct labor-hour $ 1.80 3.20 During the current month the company started and finished Job K928. The following data were recorded for this job: Job K928 Machining Finishing Machine-hours 90 10 Direct labor-hours 30 50 Direct materials $775 $ 415 Direct labor cost $630 $1,050 The predetermined overhead rate for the Machining Department is closest to: Multiple Choice $9.00 per machine-hour $21.38 per machine-hour $1.80 per machine-hour $7.20 per machine-hour