eBook Show Me How Calculator High-Low Method The manufacturing costs of Ackerman Industries for the first three months of the year follow Total Costs Units Produced January $110,160 1,530 units February 160,470 3,360 March 171,360 4,930 Using the high-low method, determine (a) the variable cost per unit and (b) the total fixed cost. Round all answers to the nearest whole dollar. a. Variable cost per unit b. Total fixed cost