The Dorset Corporation produces and sells a single product. The following data refer to the year just completed: Beginning inventory 0 Units produced 28,000 Units sold 24,000 Selling price per unit $ 466 Selling and administrative expenses: Variable per unit $ 21 Fixed per year $ 336,000 Manufacturing costs: Direct materials cost per unit $ 296 Direct labor cost per unit $ 57 Variable manufacturing overhead cost per unit $ 34 Fixed manufacturing overhead per year $ 448,000 Assume that direct labor is a variable cost. Required: a. Compute the unit product cost under both the absorption costing and variable costing approaches. b. Prepare an income statement for the year using absorption costing. c. Prepare an income statement for the year using variable costing. d. Reconcile the absorption costing and variable costing net operating income figures in (b) and (c) above.