i need help with these cvp questions

A news stand sells local fashion magazines. The cost to purchase the magazines is the list price of $6.00 less a discount of 36%. Fixed costs total $200 per week. The usual price for the magazines is the list price. Answer each of the following independent questions. (a) If the desired profit is $106, how many magazines must they sell each week? (b) If the news stand puts the magazines "on sale" at 17% off the regular selling price, how much would the profit be if they sold 363 units in a week? (a) If the desired profit is $106, they must sell -| magazines each week (Round up to the nearest whole number.) (b) The profit earned by selling 363 magazines at a 17% discount would be $ - (Type an integer or a decimal.)Rubber and Steel Company is planning to manufacture a new product. The variable manufacturing costs will be $62 per unit and the fixed costs are estimated to be $7638. The selling price of the product is to be $137 per unit. Variable selling expense is expected to be $18 per unit. (a) Calculate the contribution margin per unit. (b) Determine the contribution rate (c) Calculate the break-even point in units. (d) Determine the break-even point in sales dollars. (a) The contribution margin per unit is $ - . (Type a whole number.) (b) The contribution rate is - %. (Round to two decimal places as needed.) (c) The break-even point is - units. (Round up to the nearest unit.) (d) The break-even point in sales dollars is $ | (Type a whole number.)Juan's business budget included sales of $486,000 and fixed cost of $98,940. If the contribution margin for the business was $165,240, what are the sales needed to break even? The sales needed to break even are $ =| (Round to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)