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) Resin (pounds) Capital Invested (3) Energy (BTU) 300 275 $12 per hour 50 10,000 3,000 45 11,000 2.850 $6 per pound 2% per month $0.50 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)