Rustafson Corporation is a diversified manufacturer of consumer goods. The company's activity-based costing system has the following seven activity cost pools: Activity Cost Pool Estimated Overhead Cost Expected Activity
Labor-related $16,800 2,000 direct labor-hours
Machine-related $16,000 8,000 machine-hours
Machine setups $30,400 800 setups
Production orders $6,600 200 orders
Product testing $12,000 500 tests
Packaging $51,000 3,400 packages
General factory $55,600 2,000 direct labor-hours
1. Compute the activity rate for each activity cost pool.
2. Compute the company's pre-determined overhead rate, assuming that the company uses a single plantwide pre-determined overhead rate based on direct labor-hours.

Results are below.

Explanation:

To calculate the activity rate for each activity cost pool, we need to use the following formula on each activity:

Predetermined manufacturing overhead rate= total estimated overhead costs for the period/ total amount of allocation base

Labor-related= 16,800/2,000= $8.4 per direct labor hour

Machine-related= 16,000/8,000= $2 per machine-hour

Machine setups= 30,400/800= $38 per setup

Production orders= 6,600/200= $33 per order

Product testing= 12,000/500= $24 per test

Packaging= 51,000/3,400= $15 per package

General factory= 55,600/2,000= $27.8 per direct labor-hour

Now, the plantwide predetermined factory overhead:

Total overhead= $188,400

Total direct labor hours= 2,000

Predetermined manufacturing overhead rate= 188,400/2,000

Predetermined manufacturing overhead rate= $94.2 per direct labor hour

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