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 1,000 1,000 Labor (hours) 280 255 $10 per hour Resin (pounds) $6 per pound Capital Invested ($) 9,000 10,000 2% per month Energy (BTU) 2,900 2,750 $0.60 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 = % (enter your response as a percentage rounded to two decimal places)