College Supply Company (CSC) makes three types of drinking glasses: short, medium, and tall. It presently applies overhead using a predetermined rate based on direct labor-hours. A group of company employees recommended that CSC switch to activity-based costing and identified the following activities, cost drivers, estimated costs, and estimated cost driver units for year 5 for each activity center.

In addition, management estimated 2,000 direct labor-hours for year 5.
Assume that the following cost driver volumes occurred in February year 5:

Direct labor costs were $30 per hour.

Required
a. Compute a predetermined overhead rate for year 5 for each cost driver recommended by the employees. Also compute a predetermined rate using direct labor-hours as the allocation base.
b. Compute the production costs for each product for February using direct labor-hours as the allocation base and the predetermined rate computed in requirement (a).
c. Compute the production costs for each product for February using the cost drivers recommended by the employees and the predetermined rates computed in requirement (a). (Do not assume that total overhead applied to products in February will be the same for activity-based costing as it was for the labor-hour-based allocation.)
d. Management has seen your numbers and wants an explanation for the discrepancy between the product costs using direct labor-hours as the allocation base and the product costs using activity-based costing. Write a brief response tomanagement.

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Estimated Estimated Cost Recommended Cost Driver Activity Cost Driver Units Setting up productionNumber of production runs 36,000 100 runs Processing orders.... Number of orders 60,000 200 orders 24,000 8,000 pounds 72,000 10,000 hours 60,000 48,000 20,000 units Providing quality management. Number of inspections Packing and shippingUnits shipped 40 inspections $300,000 Shor Medium 500 Tall 400 . $6,000 $3,750 $3,000 110 4 Direct materials costs. . . Number of orders.. . Pounds of materia.. Number of inspections . 120 ...100 400 500 4 800 300 200 300 2 300 . . . Units shipped.... ...1,000 500