Eric Johnson determines his cost to be as follows:
Labor: $10 per hour
Resin: $5 per hour
Capital Expense 1% per month of investment
Energy: $.50 per BTU
Show the percent change in productivity for one month last year vs. one month this year, on a multifactor basis with dollars as the common denominator.
Units Produced Last Year, 1,000 Now 1,000
Labor (hours) Last Year 300 Now 275
Resin (pounds)Last Year 50, Now 45
Capital invested ($)Last year $10,000 Now $11,000
Energy (BTU) Last Year 3,000 Now 2,850