The following data is available for Fast Lane Oil Change for the current year: Technicians' wages expense $ 180,000 Technicians' fringe benefits expense 60,000 Parts manager's wages expense 40,000 Parts manager's fringe benefits expense 10,000 The desired profit margin is $20 per labor hour and 60% for parts and materials. Fast Lane estimates that 5,000 labor hours will be worked during the year and the total invoice cost of parts and materials will be $250,000. Using time and material pricing, Fast Lane's labor charge would be O $68 per hour 0 $64 per hour 0 $58 per hour $78 per hour