1. Prepare two income statements for the year, one using absorption costing and one using variable costing. Use those statements to answer the following questions: a. What is the product cost per unit using absorption costing? b. What is the product cost per unit using variable costing? c. What is the ending inventory balance using absorption costing? d. What is the ending inventory balance using variable costing? e. What is cost of goods sold using absorption costing? f. What is cost of goods sold using variable costing? g. What is operating income using absorption costing? h. What is operating income using variable costing? 2. What is the underlying reason for the difference in operating income between the two costing methods