The company's variable costs per unit and total fixed costs have been constant from month to month. Required: a. What is the unit product cost for the month under variable costing? (10 points) b. What is the unit product cost for the month under absorption costing? (10 points) c. What is the company's finished goods inventory cost under variable costing? (10 points) d. What is the company's finished goods inventory cost under absorption costing? (10 poinfs) e. Which costing method, absorption or variable costing. would show a higher operating income for the year? By