Variable Costing

Marsich Company has the following information for September:

Sales	$500,000
Variable cost of goods sold	235,000
Fixed manufacturing costs	80,000
Variable selling and administrative expenses	45,000
Fixed selling and administrative expenses	30,000

Determine the following for Marsich Company for the month of September:

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