Selected information from the Iowa Instruments accounting records for April follows:

Materials Inventory
Debit		Credit
BB (4/1)	25,000
	209,000	174,000

Work-in-Process Inventory
Debit		Credit
Labor	90,000
EB (4/30)	91,000

Finished Goods Inventory
Debit		Credit
BB (4/1)	87,000
	281,000	272,000

Cost of Goods Sold
Debit		Credit
		3,500

Manufacturing Overhead Control
Debit		Credit
	77,500
		77,500

Applied Manufacturing Overhead
Debit		Credit
		81,000
	77,500
	3,500

Additional information for April follows:

• The labor wage rate was $30 per hour.

• During the month, sales revenue was $320,000, and selling and administrative costs were $73,000.

• 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:

1. What was the manufacturing overhead application rate in April?

2. What was the balance of the Work-in-Process Inventory account at the beginning of April?