Variable Costing

Norwood Company has the following information for February:

Sales	$520,000
Variable cost of goods sold	234,000
Fixed manufacturing costs	83,200
Variable selling and administrative expenses	57,200
Fixed selling and administrative expenses	36,400

Determine the following for Norwood Company for the month of February:

a. Manufacturing margin	$
b. Contribution margin	$
c. Income from operations	$