EXERCISE 8-21 (CONTINUED)

2. The predetermined overhead rates would be computed as follows:

Estimated (a)

(a) ÷ (b)

Overhead

Predetermined

Costs (b)

Expected Activity

Activity

Overhead Rate

Maintaining parts

inventory... $180,000 225 part types $800 per part type

Processing pur-

chase orders... $90,000 1,000 orders $90 per order

Quality control... $230,000 5,750 tests $40 per test

Machine related ... $500,000 10,000 MHs $50 per MH

Problem 8-30 (continued)