please help me with the first three questions

Reynold's Company has a product with fixed costs of 5324,000, a unit selling price of $27, and unit variable costs of $20. The break-even sales (units) if the variable costs are decreased by $2 is 3. 16.300 units b. 36,000 units C46.286 unite d. 18.000 units Rusty Co. sells two products: X and Y. Last year, Rusty sold 5,000 units of X and 35,000 units of Y, Related data are as follows: Unit Selling Unit Variable Unit Contribution Product Price Cost Margin $110 $70 70 50 20 $40 Y Rusty Co.'s sales mix last year was Ca. 58% X: 4256 b. 60% X: 40%Y CC 30% X: 70% Y d. 12.35 X: 87.5%Y When a business sells more than one product at varying selling prices, the business's break-even point can be determined as long as there is no limit b, the number of products does not exceed fin C, the number of product does not exceed the d. the number of products does not exceed two