Cunningham Performance Auto, Inc., modifies

375

autos per year. The manager, Peter Cunningham, is interested in obtaining a measure of overall performance. He has asked you to provide him with a multifactor measure of lastyear's performance as a benchmark for future comparison. You have assembled the following data. Resource inputs were: labour,

10,500

hours;

540

suspension and engine modification kits; and energy,

100,000

kilowatt-hours. Average labour cost last year was

$25

per hour, kits cost

$1,000

each, and energy costs were

$3

per kilowatt-hour.

The overall performance at Cunningham Performance Auto,Inc.,= enter your response here autos/dollar of input. (Round your response to six decimal places.)