Kindly, provide an explanation along with the answer

4, 5, 6 (9 points) Island Enterprises has presented the following information for the past eight months operations: Month April May June July August September October November Units 4,000 3,200 1,400 2,800 3,500 4,200 3,900 3,400 Total Cost $ 17,600 $ 14,900 $ 11,100 $ 13,200 $ 16,000 $ 17,400 $ 16,500 $ 15,700 4,5 Using the high-low method, calculate the variable cost per unit (3 pts) and fixed cost per month (3 pts). 6. What would total costs be for a month with 3,000 units produced (3pts)