$178/day $180/day $179/day $1.40/sq. ft. none of the above Inside Out Company designs custom showroom spaces in interior design marts across the country. There are 2 departments in the company Design Dept and Project Management Dept. The following data pertain to a recent reporting period. Drivers Overhead Costs Design Department Client consultation Drawing Models Project Management Supervision Billings 750 contact hours 1,200 design hours 15,000 square feet $123.750 $90,000 $22.500 225 days 150 jobs $40.050 $55,500 Use ABC to compute overhead rates for the supervision activity