Linden Company manufactures and sells a single product. Cost data for the product follow:
Variable costs per unit:
Direct materials. . . . . . . . . . . . . . . . . . . . . . . . . $ 6
Direct labor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Variable factory overhead . . . . . . . . . . . . . . . . . 4
Variable selling and administrative . . . . . . . . . . 3
Total variable costs per unit . . . . . . . . . . . . . . . . . $25
Fixed costs per month:
Fixed manufacturing overhead . . . . . . . . . . . . . $ 240,000
Fixed selling and administrative . . . . . . . . . . . . 180,000
Total fixed cost per month . . . . . . . . . . . . . . . . . . $420,000
The product sells for $40 per unit. Production and sales data for May and June, the first two months of operations, are as follows:
Units Units
Produced Sold
May. . . . . . . . . . . 30,000 26,000
June . . . . . . . . . . 30,000 34,000
Income statements prepared by the Accounting Department, using absorption costing, are presented below:

 Required:
1) Determine the unit product cost under:
a. Absorption costing
b. Variable costing
2) Prepare contribution format variable costing income statements for May and June.
3) Reconcile the variable costing and absorption costing net operating incomes.
4) The company's Accounting department has determined the break-even point to be 28,000 units per month, computed as follows:
$420,000 / $15 per unit = 28,000 units