ACTIVITY BASED COSTING, UNIT COST, ENDING WORK IN PROCESS INVENTORY Zavner Company is a job order costing firm that uses activity based costing to apply overhead to jobs. Zavner identified three overhead activities and related drivers. Budgeted information for the year is as follows:

Activity

Cost

Driver

Amount of Driver

Engineering design

$120,000

Engineering hours

3,000

Purchasing

80,000

Number of parts

10,000

Other overhead

250,000

Direct labor hours

40,000

Zavner worked on five jobs in July. Data are as follows:

Job 60

Job 61

Job 62

Job 63

Job 64

Balance, July 1

$32,450

$40,770

$29,090

$0

$0

Direct materials

$26,000

$37,900

$25,350

$11,000

$13,560

Direct labor

$40,000

$38,500

$43,000

$20,900

$18,000

Engineering hours

20

10

15

100

200

Number of parts

150

180

200

500

300

Direct labor hours

2,500

2,400

2,600

1,200

1,100

By July 31, Jobs 60 and 62 were completed and sold. The remaining jobs were in process.

Required:

1. Calculate the activity rates for each of the three overhead activities.

2. Prepare job order cost sheets for each job showing all costs through July 31.

3. Calculate the balance in Work in Process on July 31.

4. Calculate cost of goods sold for July.