Island Enterprises has presented the following information for the past eight months operations: Month Units Total Cont April 4,100 $17,200 May 3,300 $15,100 June 1,500 $11.300 July 2.900 $13,400 August 3,600 $ 16,200 September 4,300 $17.680 October 4,000 $16.700 November 3,500 $15.900 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 Variable Cost Per Month Per Unit b. What would total costs be for a month with 3,100 units produced? (Do not round your intermediate calculations.) Total Costs