Tri-State Mill uses a special sander to finish lumber. Data on the sander and its usage follow: Cost Driver Rate Cost Driver Volume Resources used Energy $ 0.7 per machine-hour Repairs $ 19 per job 5,000 machine-hours 500 jobs Resources supplied Energy Repairs $ 7,000 12,100 Required: Compute unused resource capacity in energy and repairs for Tri-State Mill. Unused Resource Energy Repairs Capacity