Please help me with all 3 parts

Chartz 1-2-3 is a top-selling electronic spreadsheet product. Chartz is about to release version 5.0. It divides its customers into two groups: new customers and upgrade customers (those who previously purchased Chartz 1-2-3, 4.0 or earlier versions). Although the same physical product is provided to each customer group, sizable differences exist in selling prices and variable marketing costs: (Click the icon to view the price and cost information.) The fixed costs of Chartz 1-2-3 5.0 are $16,500,000. The planned sales mix in units is 60% new customers and 40% upgrade customers. Read the requirements. i Requirements X bl 1 Data Table - X - er 1. ht in bundles. New Customers Upgrade Customers What is the Chartz 1-2-3 5.0 breakeven point in units, assuming that the planned 60% / 40% sales mix is attained? If the sales mix is attained, what is the operating income when 170,000 total units are sold? 2. Selling price $ 195 $ 115 Variable costs 3. Manufacturing $ 15 $ 15 Show how the breakeven point in units changes with the following customer mixes: a. New 40% and upgrade 60% b. New 80% and upgrade 20% c. Comment on the results. 50 65 20 35 Marketing $ 130 $ $ 80 Contribution margin Print Done Print Done