The Kelsey Manufacturing Company Ltd Has Two Production Departments (Assembly

The Kelsey Manufacturing Company Ltd has two production departments (Assembly and Finishing) and two support departments (Janitorial and Personnel) .The usage of the two support departments in 2012 is as follows:
The budgeted costs in the support departments of 2012 were as follows:
Using the step-down method,what is the total support department costs allocated to the Finishing Department with the Personnel Department cost allocated first?

A) $81 052
B) $74 000
C) $61 158
D) $78 842