The table below depicts the activity for a cake bakery for each of the 12 months of a given year. Number of Month Total Costs Donuts Sold January 910 $ 3,550.00 February 1,669 $ 4,812.00 March 856 $ 3,284.00 April 886 $ 3,311.00 May 903 $ 3,425.00 June 1,901 $ 4,957.00 July 1,889 $ 4,907.00 August 1,111 $ 3,712.00 September 1,459 $ 4,322.00 October 1,214 $ 3,734.00 November December Required: 1,008 2,006 $ 3,608.00 $ 5,009.00 Using identified high and low activity levels a) Calculate variable cost per unit b) Calculate variable cost per unit .c) Calculate Total cost of 1740 units sold