Cullumber Remanufacturing rebuilds spot welders for manufacturers. The following budgeted cost data for 2022 are available for Cullumber: Time Charges Material Loading Charges Technicians' wages and benefits $197,600 Parts manager's salary and benefits $38,010 Office employee's salary and benefits 60,800 10,860 Other overhead 15,200 19,910 Total budgeted costs $273,600 $68,780 The company wants a $35 profit margin per hour of labour and a 20% profit margin on parts. It has budgeted for 7,600 hours of repair time in the coming year and estimates that the total invoice cost of parts and materials in 2022 will be $362,000. (a) Calculate the rate charged per hour of labour. Rate charged per hour