2 Tri-State Mill uses a special sander to finish lumber. Data on the sander and its usage follow: Cost Driver Rate Cost Driver Volume 2 Resources used points Energy $ 0.6 per machine-hour Repairs $ 14 per job 7,500 machine-hours 750 jobs Resources supplied Energy Repairs $ 7,500 12,600 eBook Print Required: Compute unused resource capacity in energy and repairs for Tri-State Mill. Unused Resource References Energy Repairs Capacity