Question

White Company has two departments, Cutting and Finishing. The company uses a job-order costing system and computes a predetermined overhead rate in each department. The Cutting Department bases its rate on machine-hours, and the Finishing Department bases its rate on direct labor-hours. At the beginning of the year, the company made the following estimates: Direct labor-hours Machine-hours Total fixed manufacturing overhead cost Variable manufacturing overhead per machine-hour Variable manufacturing overhead per direct labor-hour Department Cutting Finishing 6,000 30,000 48,000 5,000 $ 264,000 $ 366,000 $ 2.00 - - $ 4.00 Required: 1. Compute the predetermined overhead rate for each department. 2. The job cost sheet for Job 203, which was started and completed during the year, showed the following: Department Cutting Finishing 20 Direct labor-hours Machine-hours Direct materials Direct labor cost 80 $500 $ 108 $310 $360 Using the predetermined overhead rates that you computed in requirement (1), compute the total manufacturing cost assigned to Job 203. 3. Would you expect substantially different amounts of overhead cost to be assigned to some jobs if the company used a plantwide predetermined overhead rate based on direct labor-hours, rather than using departmental rates?

Answer 1

1) Departmental rate :

Cutting department = (264000/48000+2) = 7.50 per machine hour

Finishing department = (366000/30000+4) = 16.20 per labor hour

2) Total manufacturing cost

Direct material (500+310)	810
Direct labor (108+360)	468
Cutting overhead (80*7.50)	600
Finishing overhead (20*16.20)	324
Total Job Cost	2202

3) Yes