eBook Calculating and Using a Single Charging Rate The expected costs for the Maintenance Department of Stazler, Inc., for the coming year include: Fixed costs (salaries, tools): $75,555 per year Variable costs (supplies): $1.45 per maintenance hour Estimated usage by: 4 Assembly Department 4,700 Fabricating Department 6,700 Packaging Department 10,500 Total maintenance hours 21,900 < Actual usage by: Assembly Department Fabricating Department Packaging Department Total maintenance hours Required: 3,900 6,800 9,700 20,400 1. Calculate a single charging rate for the Maintenance Department. Round your answer to the nearest cent. per maintenance hour Check My Work Next