need answers please

Departmental Information for the four departments at Samoa Industries is provided below. Total Cost Cost Driver Square Feet Number of Employees Janitorial $150,000 square footage serviced 200 40 Cafeteria 50,000 Number of employees 20,000 12 Cutting 1,125,000 4,000 120 Assembly 1,100,000 16,000 40 The Janitorial and Cafeteria departments are support departments Samoa uses the sequential method to allocate support department costs, first allocating the costs from the Janitorial Department to the Cafeteria, Cutting and Assembly departments. Determine the proportional (percentage) usage of the Janitorial Department by the a. Cafeteria Department b. Cutting Department 20 c. Assembly Department 80