High-Low Method The manufacturing costs of Alex Industries for three months of the year are provided below. January February Total Costs Production $214,020 1,305 units 289,880 2,810 332,920 4,205 March 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 Feedback