7) A company must choose one machine to use for production of a certain product. The product sells for $19.95 per unit (assume that all units produced will be sold). The material cost per unit is $10. Each machine can be run for 16 hours per day. Production data for the two machines is given below. Machine Production Rate Labor Cost Overhead Cost 10 units per hour $18 per hour $7 per hour B 15 units per hour $23 per hour $9 per hour