Ashley's company's product sells for $650 per unit. Variable cost is $100 per unit. Fixed costs are $200,000 per month. Using the Contribution Margin approach, calculate how many units need to be sold to break even?

Tifanny's storage company product sells for $400 per unit. Variable cost is $200 per unit. Fixed costs are $250,000 per month. Using the Contribution Margin Ratio approach, calculate how many sale dollars need to be sold to break even?