please help with b and c too if you know

Sheridan Remanufacturing rebuilds spot welders for manufacturers. The following budgeted cost data for 2022 are available for Sheridan: The company wants a $35 profit margin per hour of labour and a 25% profit margin on parts. It has budgeted for 7,000 hours of repair time in the coming vear and estimates that the total invoice cost of parts and materials in 2022 will be $426.000. (a) Calculate the rate charged per hour of labour. Calculate the rate charged per hour of labour. Rate charged perhour eTextbook and Media Attempts: 0 of 2 used (b) The parts of this question must be completed in order. This part will be available when you complete the part above. (c) The parts of this question must be completed in order. This part will be available when you complete the part above