Second Chance Welding rebuilds spot welders for manufacturers. The following budgeted cost data for 2020 is available for Second Chance. Material Time Loading Charges Charges Technicians' wages and benefits $198,800 Parts manager's salary and benefits $39,800 Office employee's salary and benefits 56,800 9.700 Other overhead 7,100 Total budgeted costs $262,700 28.000 $77,500 The company desires a $35 profit margin per hour of labor and a 23.00% profit margin on parts. It has budgeted for 7,100 hours of repair time in the coming year, and estimates that the total invoice cost of parts and materials in 2020 will be $400,000