Peter Company uses a job-order costing system and applies manufacturing overhead to jobs using a predetermined overhead rate based on direct labor-hours. Last year manufacturing overhead and direct labor-hours were estimated at $50,000 and 20,000 hours, respectively, for the year. In June, Job #461 was completed. Materials costs on the job totaled $4,000 and labor costs totaled $1,500 at $5 per hour. At the end of the year, it was determined that the company worked 24,000 direct labor-hours for the year and incurred $54,000 in actual manufacturing overhead costs.

a. Compute the pre-determined overhead rate.

b. Job #461 contained 100 units. Determine the

1) variable 2)fixed and 3) total unit product cost that would appear on the job cost sheet

c. Determine the underapplied or overapplied overhead for the year.