Below is factory overhead cost information for ABC Ltd for the first six months of 2020. The company plans to produce 1,300 units of its flagship product next month. Each unit requires 12 minutes of machine time: Month January February Machine Hours Total Factory Overhead 160 $5,760 210 6,930 March 240 7,560 April 180 6,210 May 200 6,800 June 170 6,040 Required Using the high-low method of separating a mixed cost into its fixed and variable components, what was the estimated variable factory overhead cost per machine hour? a. b. Using the high-low method, determine the fixed overheard and develop a cost function for monthly total factory overhead costs. c. Again using the high-low method, estimate factory overhead costs for August 2020 when 1,300 units of the company's products will be produced