Selected information from the Blake Corporation accounting records for June follows:

Materials Inventory Work-In-Process Inventory
BB (6/1) 78,000 Labor 345,000
450,000 405,000 EB(6/30) 430,000

Finished Goods Inventory Cost of Goods Sold
BB (6/1) 280,000
825,000 822,000 13,000

Manufacturing Overhead Control Applied Manufacturing Overhead
240,000 253,000
240,000 240,000
13,000

Additional information for June follows:
• Labor wage rate was $30 per hour.
• During the month, sales revenue was $1,026,000, and selling and administrative costs were $225,000.
• This company has no indirect materials or supplies.
• The company applies manufacturing overhead on the basis of direct labor hours.

Required:
a. What was the cost of direct materials purchased in June?
b. What was the over- or underapplied manufacturing overhead for June?
c. What was the manufacturing overhead application rate in June?
d. What was the cost of products completed during June?
e. What was the balance of the Work-in-Process Inventory account at the beginning of June?
f. What was the operating profit for JuneAny? over- or underapplied overhead is written off to Cost of Goods Sold. (Negative amounts should be indicated by a minus sign.)