Munson Performance Auto, Inc., modifies 375 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; 540 suspension and engine modification kits; and energy,120,000 kilowatt-hours. Average labor cost last year was $25 per hour, kits cost $1,000 each, and energy costs were $4 per kilowatt-hour.

The overall performance at Munson Performance Auto, Inc. =

autos/dollar of input (round your response to six decimal places).