Please explain each step and show work. I dont get it. Thank you!

Riemer, Inc. has four departments. Information about these departments is listed below. Maintenance is a service department. If allocated maintenance cost is based on floor space occupied by each of the other departments, compute the amount of maintenance cost allocated to the Cutting Department. (Do not round your intermediate computations.) Maintenance Cutting Assembly Packaging Direct costs Sq. ft. of space No. of employees 15,000$27,000 $67,000 1,100 2,100 $42,000 3,050 4 600 4 Multiple Choice $2,819. $2,640 $15,000 $3,874. $5,000