Part C: High Low method (Total of 10 Marks) 11. Island Enterprises has presented the following information for the past eight months operations: Month Units Total Cost April 4,350 $17,700 May 3,550 $ 15,600 June 1,750 $11,800 July 3,150 $13,900 August 3,850 $ 16,700 September 4,550 $ 19,080 October 4,250 $17,200 November 3,750 $16,400 Using the high-low method, calculate: a. The variable cost per unit (round to 2 decimal places) (4 marks): b. the fixed cost per month(round to 2 decimal places) (3 Marks): c. Write the mixed cost equation. (1 Mark) d. Using this equation, calculate the total cost at an activity level of 3,350 units. (2 M