Question 6 1 pts Martin Manufacturing has implemented several programs to improve its productivity. They have asked you to evaluate the firm's productivity by comparing this year's performance with last year's. The following data are available: Last Year This Year Output 10,500 units 12,100 units Labor Hours $12,000 $13,200 Utilities $7,600 $8,250 Capital $83,000 $88,000 a. What is the percent change in labor cost this year vs. last year? [Select) b. What is the percent change in utility cost this year vs. last year? Select) c. What is the percent change in capital investment this year vs. last? Select) d. What is the overall multi-factor productivity for last year? (Select) e. What is the overall multi-factor productivity this year? | Select) f. What is the multi-factor percent change this year vs. last year? Select)