Skywalk Corporation reports the following first year production cost information: Units produced 62,000 units Units sold 59,000 units Sales price $ 350 Direct labor $ 41 Direct materials $ 15 Variable overhead $ 150 Fixed overhead $ 4,340,000 in total per unit per unit per unit per unit a. Compute product cost per unit under variable costing. b. Compute product cost per unit under absorption costing. c. Determine the cost of goods sold using variable costing. d. Determine the cost of goods sold using absorption costing