Variable Costing

Norwood Company has the following information for July:

Sales	$510,000
Variable cost of goods sold	234,600
Fixed manufacturing costs	76,500
Variable selling and administrative expenses	51,000
Fixed selling and administrative expenses	30,600

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

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