The contribution margin ratio is 30% for the Honeyville Company and the break-even point in sales is $150,000. If the company's target net operating income is $60,000, sales would have to be:
A. $200,000
B. $350,000
C. $250,000
D. $210,000
Can someone help explain this problem to me, I have the answer ($350,000) but have no idea how to get there with the given parts.