Mark Inc., which has only one product, has provided the following data concerning its most recent month of operations:

Selling price	$	91
Units in beginning inventory		0
Units produced		3,800
Units sold		3,230
Units in ending inventory		570

Variable costs per unit:
Direct materials	$	22
Direct labor	$	32
Variable manufacturing overhead	$	5
Variable selling and administrative expense	$	3
Fixed costs:
Fixed manufacturing overhead	$	60,900
Fixed selling and administrative expense	$	2,400

The total contribution margin for the month under variable costing is: