P & M Corporation Manufactures Products Exclusively for Military Clients

Multiple Choice

P & M Corporation manufactures products exclusively for military clients. Due to security concerns, each product is manufactured entirely within its own department. Department X specializes in communications equipment and Department Y in armor plating. Both production departments are supported by the corporation's power-generating department (Department A) and its equipment maintenance department (Department B) . The work supplied by support Department A is measured in kilowatt-hours of electricity, and that in Department B is measured in labor hours. Departments A and B also consume service from one another.
-The work done by Departments A and B is summarized in the table below.
The costs of power and maintenance for the coming year are budgeted to be $200,000 and $80,000 respectively. What fraction of the kilowatt-hours provided by the power department is consumed by the maintenance department?

A) 16.67%
B) 50.00%
C) 20.00%
D) 80.00%