Franklin Computer Services, Inc. has been in business for six months. The following are basic operating data for that period: Month Service hours July 114 Aug... 132 Sept. Revenue $5,928 Operating costs $4,250 262 $6,864 $13,624 $5,270 $ 7,200 Oct. 422 Nov. Dec. 320 330 $21,944 $11,180 $16,640 $ 9,100 $17,160 $10,570 Required 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 C What is the average service revenue per hour in each month and the overall average for the six-month period? Month Average service revenue per hour July Aug. Sept. Oct. Nov. bac. Total Average Required A Required B Required C 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 Required A Required B Required C Determine the average contribution margin per hour. (Round your answer to 2 decimal places.) Average contribution margin per hour