High-Low Method Tashiro Inc. has decided to use the high-low method to estimate the total cost and the fixed and variable cost c Units Produced 5,250 1,750 3,360 Total Costs $284,200 182,700 224,110 a. Determine the variable cost per unit and the total fixed cost. Variable cost (Round to two decimal places.) Total fixed cost b. Based on part (a), estimate the total cost for 2,520 units of production. Total cost for 2,520 units: per unit