The company has two revenue centers: Retail Services and Commercial Services. There are also three service centers: Maintenance, Office Support, and Facility Support. The maintenance center supplies support to all four other centers. The Maintenance area is allocated based on maintenance work orders (Office Support: 10 work orders, Facility Support: 20 work orders, Retail Services: 25 work orders, Commercial Services: 75 work orders). The Office Support is allocated based on hours (Facility Support: 40 hours of Office Support, Retail Services: 50 hours of Office Support, Commercial Services: 200 hours of Office Support). The Facility Support is allocated based on number of customers (Retail Services: 150 customers, Commerical Services: 75 customers). Overhead rates are calculated based on the number of invoices generated (Retail Services: 40,000 invoices, Commercial Services: 10,000 invoices). Allocate overhead to the two revenue centers based on the direct method, and calculate the departmental overhead rates. Maintenance Office Support Facility Support Retail Services Commercial Services Center Costs $300,000 $125,000 $100,000 $75,000 $50,000 Maintenance Office Support Facility Support Total Overhead Rate Allocate overhead to the two revenue centers based on the step method, and calculate the departmental overhead rates. Maintenance Office Support Facility Support Retail Services Commercial Services Center Costs $300,000 $125,000 $100,000 $75,000 $50,000 Maintenance Office Support Facility Support Total Overhead Rate