Slower Company uses a job-order cost system in each of its two manufacturing departments. Manufacturing overhead is applied to jobs on the basis of direct labour cost in Department A and machine hours in Department B.

In establishing the predetermined overhead rates for 2020, the following estimates were made for the year:

During January, the job cost sheet showed the following costs and production data:

Complete the following tasks:

Calculate the predetermined overhead rate for each department. (4 points)

Calculate the total manufacturing cost assigned to jobs 14 and 15 in January. (4 points)

What is the purpose of job cost accounting? (2 points)