David Upton is president of Upton Manufacturing, a producer of Go-Cart tires. Upton makes 1,000 tires per day with the following resources:

OUTPUT 1,000 tires per day 1,000

INPUTS
Labor 400 hrs per day @ .50 per hour 5,000
LABOR HR INPUT 400
Raw Materials 20,000 lbs./day @ per lb.,000
Energy ,000 per day
Capitol ,000 per day
TOTAL INPUTS ,000

is it:
a) labor productivity per hour is 2.5 tires .

b) The multi factor productivity is $.025.

c) If they reduce their energy bill by ,000, without making any other changes the multi factor productivity would change 2.564%