Sailmaster makes high-performance sails for competitive windsurfers. Below is information about the inputs and outputs for one model, the Windy 2000.

Units sold........ 1,217
Sale price each....... $1,700
Total labor hours....... 46,672
Wage rate........ $12/hour
Total materials....... $60,000
Total energy......... $4,000

Calculate the productivity in sales revenue/labor expense.