A firm cleans chemical tank cars in Oshawa with standard equipment, the firm typically cleaned 50 chemical tank cars per month. They utilized 5 gallons of solvent, and two employees worked 15 days per month, 8 hours a day. The company decided to switch to a larger cleaning machine in july, they cleaned 60 tank cars in only 10 days. They utilized 8 gallons of solvent, and the two employees worked 7 hours a day. a) What was their raw material and their labor productivity with the standard equipment? b) What is their raw material and their labor productivity with the larger machine? c) What is the change in each productivity measure?