Selected information from the lowa Instruments accounting records for April follows: Materials Inventory Work-in-Process Inventory Finished Goods Inventory Credit Debit Credit BB (4/1) 89,000 289,000 274,000 Applied Manufacturing Overhead Debit Credit 92,800 87,300 5,500 Debit BB (4/1) 27,000 211,000 Credit Debit Labor 176,000 EB (4/30) 96,000 93,000 Cost of Goods Sold Debit Credit 5,500 Manufacturing Overhead Control Debit Credit 79,500 79,500 Additional information for April follows: The labor wage rate was $30 per hour. During the month, sales revenue was $321,000, and selling and administrative costs were $83,000. This company has no indirect materials or supplies. The company applies manufacturing overhead on the basis of direct labor-hours. Customer returns are discarded and not resold. Required: a. What was the cost of direct materials purchased in April? b. What was the over- or underapplied manufacturing overhead for April? c. What was the manufacturing overhead application rate in April? d. What was the cost of products completed during April? e. What was the balance of the Work-in-Process Inventory account at the beginning of April? f. What was the operating profit (or loss) for April? Any over- or underapplied overhead is written off to Cost of Goods Sold. Complete this question by entering your answers in the tabs below. Required A Required B Required C Required D Required E Required F What was the cost of direct materials purchased in April? Direct materials < Required A Required B >