Last Units Produced Labor Hours Resin Pounds Capital Invested Energy Btu Year 1 (1)

Eric Johnson (data below) determines his costs to be as follows:• Labor: $10 per hour• Resin: $5 per pound• Capital expense: 1% per month of investment• Energy: $.50 per BTU.Show the percent change in productivity for one month last year versus one month this year, on a multifactor basis with dollars as the common denominator.