Please help me

Menlo Company distributes a single product. The company's sales and expenses for last month folow Sales Variable expenses $612,000 428.400 S 40 28 Contribution margin Fixed expenses 183,600$ 12 154,800 Net operating income S 28,800 Required: 1. What is the monthly break-even point in unit sales and in dolar sales? Break-even point in unit sales Break-even point in sales dollars units 2 Without resorting to computations, what is the total contribution margin at the break-even point? 3-a How many units would have to be sold each month to earm a target proft of $58,300? Use the formu a method