Whispering Wind's Classic Cars restore automobiles to showroom status. Budgeted data for the current year are as follows.

Time Charges

Restorers' wages and fringe benefits $$268800$

Purchasing agent's salary and fringe benefit $$0$

Administrative salaries and fringe benefits $$67200$

Other overhead costs $$40320$

Total budgeted costs $$376320$

Material Loading Charges

Restorers' wages and fringe benefits $$0$

Purchasing agent's salary and fringe benefit $$75600$

Administrative salaries and fringe benefits $$23184$

Other overhead costs $$70560$

Total budgeted costs $$169344$

The company anticipated that the restorer would work a total of $13440$ hours this year. Expected parts and materials were $$1411200.$

In late January, the company experienced a fire in its facilities that destroyed most of the accounting records. The accountant remembers that the hourly labor rate was $$70$ and that the material loading charges was $83\%$

Determine the profit margin per hour on labor.