Munson Performance Auto, Inc., modifies 325 autos per year. The manager, Adam Munson, is interested in obtaining a measure of overall performance. He has asked you to provide him with a multifactor measure of last year's performance as a benchmark for future comparison. You have assembled the following data. Resource inputs were: labor, 10,500 hours; 500 suspension and engine modification kits; and energy, 110,000 kilowatt-hours. Average labor cost last year was $25 per hour, kits cost $1,000 each, and energy costs were $3 per kilowatt-hour. = The overall performance at Munson Performance Auto, Inc. autos/dollar of input (round your response to six decimal places).