Last Units produced Labor (hours) Resin (pounds) Capital invested ($) Energy (BTU) Year 1,000 300 50 10,000 3,000 Now 1,000 275 45 11,000 2,850

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.