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	$	8,500
Purchased during the month	$	38,000
Used in production	$	39,300
Labor:
Direct labor-hours worked during the month		1,900
Direct labor cost incurred	$	24,510
Actual manufacturing overhead costs incurred	$	33,300
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:

• $29,500

• $7,200

• $30,800

• $1,300