Need help on all of them thank you!

Tanek Corp.'s sales slumped badly in 2022. For the first time in its history, it operated at a loss. The company's income statement showed the following results from selling 500,000 units of product: sales $2,500,000, total costs and expenses $2,590,000, and net loss $90,000. Costs and expenses consisted of the following amounts. Management is considering the following independent alternatives for 2023. 1. Increase the unit selling price 20% with no change in total costs, total expenses, and sales volume. 2. Change the compensation of sales personnel from fixed annual salaries totaling $140,000 to total salaries of $60,000 plus a 5% commission on sales. All other total costs, total expenses, and total sales remain unchanged. (a) Compute the break-even point in sales dollars for 2022 . Break-even point $ eTextbook and Media Attempts: 0 of 3 used (b) Compute the contribution margin ratio under each of the alternative courses of action. Contribution margin ratio for alternative 1 % Contribution margin ratio for alternative 2 % Compute the break-even point in sales dollars under each of the alternative courses of action. Break-even point for alternative 1 $ Break-even point for alternative 2 $ Which course of action do you recommen