Munson Performance​ Auto, Inc., modifies 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, ​hours; suspension and engine modification​ kits; and​ energy, ​kilowatt-hours. Average labor cost last year was ​$ per​ hour, kits cost ​$ ​each, and energy costs were ​$ per​ kilowatt-hour. The overall performance at Munson Performance​ Auto, Inc.​ = nothing ​autos/dollar of input ​(round your response to six decimal​ places).