Using the high-low method of analyzing costs, answer the following questions and show computations to support your answers. (a) Your answer has been saved. See score details after the due date. What is the estimated variable portion of power costs per factory machine hour? (Round answer to 2 decimal places, eg. 15.25.) Variable power costs per factory machine hour Your answer has been saved. See score detalls after the due date. What is the estimated variable portion of power costs per factory machine hour? (Round answer to 2 decimai ploces, es. 15.25 .) Variable power costs. per factory machine hour Attempts: 1 of 1 used (b) Your answer hs been sived. See score detalls after the due date. What is the estimated fixed power cost each month? Attempts: 1 of 1 used (c) If it is estimated that 11,000 factory machine hours will be run in July, what is the expected total power cost for July? Total power cost