Island Enterprises has presented the following information for the past eight months operations: Month April Units Total Cost 4,600 $18,200 May 3,800 $16,100 June 2,000 $12,300 July 3,400 $14,400 August/ 4,100 $17,200 September October November 4,800 $20,280 4,500 $17,700 4,000 $16,900 a. Using the high-low method, calculate the fixed cost per month and variable cost per unit. (Round variable cost to 2 decimal places.) Fixed Cost Per Month Variable Cost Per Unit b. What would total costs be for a month with 3,600 units produced? (Do not round your intermediate calculations.) Total Costs