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For many years, Thomson Company manufactured a single product called LEC 40. Then three years ago, the company automated a portion of its plant and at the same time introduced a second product called LEC 90 that has become increasingly popular. The LEC 90 is a more complex product, requiring 0.80 hours of direct labor time per unit to manufacture and extensive machining in the automated portion of the plant. The LEC 40 requires only 0.60 hours of direct labor time per unit and only a small amount of machining. Manufacturing overhead costs are currently assigned to products on the basis of direct labor-hours.

Despite the growing popularity of the company’s new LEC 90, profits have been declining steadily. Management is beginning to believe that there may be a problem with the company’s costing system. Direct material and direct labor costs per unit are as follows:

	LEC 40		LEC 90
Direct materials	$	28.00	$	48.00
Direct labor (0.60 hours and 0.80 hours @ $10.00 per hour)	$	6.00	$	8.00

Management estimates that the company will incur $988,000 in manufacturing overhead costs during the current year and 60,000 units of the LEC 40 and 20,000 units of the LEC 90 will be produced and sold.

2. Management is considering using activity-based costing to assign manufacturing overhead cost to products. The activity-based costing system would have the following four activity cost pools:

Activity Cost Pool	Activity Measure	Estimated Overhead Cost
Maintaining parts inventory	Number of part types	$	161,000
Processing purchase orders	Number of purchase orders		80,000
Quality control	Number of tests run		66,000
Machine-related	Machine-hours		681,000
		$	988,000

	Expected Activity
Activity Measure	LEC 40	LEC 90	Total
Number of part types	450	700	1,150
Number of purchase orders	1,600	400	2,000
Number of tests run	700	1,500	2,200
Machine-hours	1,600	10,400	12,000

Determine the activity rate for each of the four activity cost pools. (Round your answers to 2 decimal places.)

Answer 1

Determine activity rate

Activity cost pool	Estimated overhead	Estimated activity	Activity rate
Maintaining parts inventory	161000	1150	140 per part types
Processing purchase orders	80000	2000	40 per order
Quality control	66000	2200	30 per test run
Machine-related	681000	12000	56.75 per machine hour