High-Low Method cator=&inprogress=false The manufacturing costs of Fuld Industries for three months of the year are provided below. January February Total Costs Production $410,400 461,470 1,710 units 3,320 5,510 March 638,400 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 $ 1