Nelson Corporation, which has only one product, has provided the following data concerning its most recent month of operations:

Selling price	$	120
Units in beginning inventory		330
Units produced		6,010
Units sold		6,090
Units in ending inventory		250
Variable costs per unit:
Direct materials	$	42
Direct labor	$	24
Variable manufacturing overhead	$	2
Variable selling and administrative	$	17
Fixed costs:
Fixed manufacturing overhead	$	108,180
Fixed selling and administrative	$	97,440

The company produces the same number of units every month, although the sales in units vary from month to month. The company's variable costs per unit and total fixed costs have been constant from month to month.

Required:

a. Prepare a contribution format income statement for the month using variable costing.

b. Prepare an income statement for the month using absorption costing.