Sales	$1,000,000
Direct Manufacturing Labor	200,000
Direct Materials	100,000
Indirect Manufacturing Labor	100,000
Plant Equipment and Building Expenses	150,000
Selling, General and Administrative Expenses	200,000
Interest and Taxes	100,000

Using the information above, calculate the firms operating margin.

A) $700,000

B) $450,000

C) $250,000

D) $150,000