Sierra Company produces its product at a total cost of $170 per unit. Of this amount, $50 per unit is selling and administrative costs. The total variable cost is $136 per unit, and the desired profit is $32.30 per unit. Determine the markup percentage using the (a) total cost, (b) product cost, and (c) variable cost methods. Round your answers to one decimal place. a. Total cost 0.19 % b. Product cost 0.48 % c. Variable cost %