Sweeney Corporation had the following income statement for March 2014:

Sales (20,000 units)	$1,800,000
Variable expenses	$1,200,000
Contribution margin	$600,000
Fixed expenses	$300,000
Operating income	$300,000

What is Sweeney's break-even point in sales dollars?

A. $900,000

B. $300,000

C. $1,800,000

D. $1,600,000

Do not copy from Chegg and give complete answer with explanation