i need to know what is the monthly break-even point in:

A. in Unit Sales and

B in Dollar Sales

i need step by step explanation plus answer thanks.

Menlo Company distributes a single product. The company's sales and expenses for last month follow: Total Per Unit Sales $540,000 $ 32 Variable expenses 200,000 12 Contribution margin 340,000 $ 20 Fixed expenses 180,000 Operating income $160,000 Required: 1. What is the monthly break-even point in unit sales and in dollar sales? (Do not round intermediate calculations.) units Break-even point in unit sales Break-even point in sales dollars