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

Units sold $1,216$

Sale price each $ $1,700$

Total labor hours $47,172$

Wage rate $ $14/$hour

Total materials $ $61,150$

Total energy $ $4,005$

Calculate the productivity in sales revenue$/$labor expense. $($Round your answer to $2$ decimal places.$)$