The following cost data for the year just ended pertain to Sentiments, Inc., a greeting card manufacturer:

Direct material	$	2,300,000
Advertising expense		99,000
Depreciation on factory building		116,000
Direct labor: wages		470,000
Cost of finished goods inventory at year-end		115,000
Indirect labor: wages		141,000
Production supervisors salary		45,000
Service department costs*		100,000
Direct labor: fringe benefits		114,000
Indirect labor: fringe benefits		30,000
Fringe benefits for production supervisor		10,000
Total overtime premiums paid		55,000
Cost of idle time: production employees		40,000
Administrative costs		150,000
Rental of office space for sales personnel		15,000
Sales commissions		5,000
Product promotion costs		10,000

*All services are provided to manufacturing departments.

Cost of idle time is an overhead item; it is not included in the direct-labor wages given above.

The rental of sales space was made necessary when the sales offices were converted to storage space for raw material.

Required: 1. Compute each of the following costs for the year just ended:

2. One of the costs listed below is an opportunity cost. Identify this cost.

Multiple Choice:

• Rental of office space for sales personnel

• Product promotion costs

• Administrative costs

• Sales commissions

• Direct labor: fringe benefits

• Cost of finished-goods inventory at year-end

Total prime costs Total manufacturing overhead costs . b. Total conversion costs C. Total product costs Total period costs d