I need help understandig this. Can you please show your excel formulas to help me?

EXERCISE 510 Multiproduct Break-Even Analysis Q105-9 Lucido Products markets two computer games: Claimjumper and Makeover. A contribution format income statement for a recent month for the two games appears below: Claimjumper Makeover Total Sales $30,000 $70,000 $100,000 Variable expenses 20,000 50,000 70,000 Contribution margin $10,000 $20,000 30,000 Fixed expenses 24,000 Net operating income $ 6,000 Required: 1. What is the overall contribution margin (CM) ratio for the company? 2. What is the company's overall break-even point in dollar sales? 3. Verify the overall break-even point for the company by constructing a contribution format income statement showing the appropriate levels of sales for the two products