Hello, I need help with my accounting class. I've missed classes because of a surgery.

PR 21-3A Break-even sales and cost-volume-profit chart For the coming year, Cleves Company anticipates a unit selling price of $100, a uni va able cost of $60, and fixed costs of $480,000 Instructions 1. Compute the anticipated break-even sales (units) 2. Compute the sales (units) required to realize a target profit of $240,000 3. Construct a cost-volume-profit chart, assuming maximum sales of 20,000 units within OBJ. 3,4 the relevant range