1. The CEO has asked you to evaluate the firm's productivity by comparing performance a month from last year and equivalent month this year. The following data are available: (10 points) The CEO determines his costs to be as follows: - Labor $10 per hour - Utilities $0.50 per BTU - Capital 10% per month of investment. Show the productivity change, for one-monfhlast year versus one month this year, on a multifactor basis