Calculating and using a Singie Charging Rate The expected costs for the Maintenance Department of Stazier, Inc., for the coming year include: Fored costs (salaries, tools) $77,385 per year Variable costs (supplies): $1.45 per maintenance hour Estimated usage by: Assembly Department 4,800 Fabricating Department 6,800 Packaging Department 11,500 Total maintenance hours 23.100 3) Actual usage by: Assembly Department 3,250 Fabricating Department 6,900 Packaging Department 10,700 Total maintenance hours 20,850 Required: 1. Calculate a single charging rate for the Maintenance Department. Round your answer to the nearest cent. per maintenance hour 2. te thate to sign the cost of the Department to the departments based on actual usage Calculate the total amount charged for maintenance for the year 1. Calculate a single charging rate for the Maintenance Department. Round your answer to the nearest cont. per maintenance hour 2. Use this rate to assign the costs of the Maintenance Department to the user departments based on actual usage. Calculate the total amount charged for maintenance for the year. 3. What if the Assembly Department used 4,000 maintenance hours in the year How much would have been charged out to the three departments? When required, round your answers to the nearest dollar Ambly Department charge Fabricating Department charge Packaging Department charge Total amount charged