Owner Shirl Low is considering franchising her Noodles by Low restaurant concept. She believes people will pay $6.00 for a large bowl of noodles. Variable costs are $1.50 per bowl. Low estimates monthly fixed costs for a franchise at $13,500. Read the requirements. Requirement 1. Use the contribution margin ratio approach to find a franchise's breakeven sales in dollars. Begin by showing the formula and then entering the amounts to calculate the breakeven point in sales dollars using the contribution margin approach. (Enter a "0" for any zero balances. Abbreviation used: CM = contribution margin.) = Required sales in dollars CM per unit CM ratio Fixed costs Variable costs