George Kyparisis makes bowling balls in his Miami plant. With recent increases in his costs, he has a newfound interest in efficiency. George is interested in determining the productivity of his organization. He would like to know if his organization is maintaining the manufacturing average of a 3% increase in productivity. He has the following data representing a month from last year and an equivalent month this year: Last Year Now Cost Per Input Unit Units Produced 1 comma 0001,000 1 comma 0001,000 Labor (hours) 300300 275275 $1010 per hour Resin (pounds) 5050 4545 $66 per pound Capital Invested ($) 10 comma 00010,000 11 comma 00011,000 22% per month Energy (BTU) 3 comma 0003,000 2 comma 8502,850 $0.600.60 per BTU 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 = nothing% (enter your response as a percentage rounded to two decimal places).