The manufacturing costs of Mocha Industries for three months of the year are provided below: Total Cost Production 1,100 Units April $63,100 May 80,740 1,800 June 100,900 2,600 Using the high-low method, determine the (a) variable cost per unit and (b) the total fixed costs. If required, round your answers to nearest cent. $ per unit a. Variable cost per unit b. Total fixed costs $