How do I find the percentage of sales? Thanks!

Sunn Company manufactures a single product that sells for $145 per unit and whose variable costs are $87 per unit. The company? annual fixed costs are $916,400. (1) Prepare a contribution margin income statement at the break-even point. (2) If the company's fixed costs increase by $143,000, what amount of sales (in dollars) is needed to break even? Complete this question by entering your answers in the tabs below. Prepare a contribution margin income statement at the break-even point