Check my w Service hours Revenue Operating costs July 110 $5,500 $4,280 Aug. 130 $6,500 $5,270 Sept. 258 $12,900 $7,180 Oct. 422 $21,100 $11,190 Nov. 320 $16,000 $9,120 Dec 330 $16,500 $10,520 Required 6. What is the average service revenue per hour in each month and the overall average for the six-month period? b. Use the high-low method to estimate the total monthly fixed cost and the variable cost per hour c. Determine the average contribution margin per hour Complete this question by entering your answers in the tabs below. Required A Required B Required What is the average service revenue per hour in each month and the overall average for the six-month period? Oct Nov. Dec. Total Average July Aug Sept. Month Average service revenue per hour Complete this question by entering your answers in the tabs below. Required A Required B Required Use the high-low method to estimate the total monthly fixed cost and the variable cost per hour. (Do not round intermediate calculations. Round "Variable cost" to 2 decimal places and "Fixed cost" to nearest whole dollar) Variable cost Fixed cost per hour per month a. What is the average service revenue per hour in each month and the overall average for the six-month period? b. Use the high-low method to estimate the total monthly fixed cost and the variable cost per hour. c. Determine the average contribution margin per hour. Complete this question by entering your answers in the tabs below. Required A Required B Required Determine the average contribution margin Ber hour. (Round your answer to 2 decimal places.) Average contribution margin per hour