Great Ape Glassworks manufactures glass used for the screens on smartphones. It has two producing departments, P1 and P2, and only one service department, S1. The company is able to track overhead to the various departments but wants to allocate the service department costs to the producing departments. However, the company is not sure which of the multiple allocation bases should be selected. The data it collected appear in the table below. Overhead Assigned $150,000 250,000 74,000 Department P1 P2 si Potential allocation base Employee headcount Space used (in square feet) Productive capacity (in units) 3-year average percentage of si output used P1 60 2,000 50,000 60% P2 20 6,000 75,000 40% 2. Which of the four proposed allocation bases would you recommend and why