a) Assuming fixed costs and net sales are spread evenly throughout the year, determine YUX's monthly break-even point in units and dollars.

b) Calculate the contribution margin ratio, the annual margin of safety ratio, and the annual profit.

c)Determine the percentage increase in annual profits if YUX Corporation increases its selling price by 20% and all other factors (including demand) remain constant.

e) Assume the price remains at $40 per unit and variable costs remain the same per unit, but fixed costs increase by 20% annually. Calculate the percentage increase in unit sales required to achieve the same level of annual profit calculated in part (b).

f) Determine the sales required to earn an operating income of $342,000 after tax. YUX Corporation's income tax rate is 40%.

YUX Corporation sells a single product for $40. Its management estimates the following revenues and costs for the year 2020: Net sales $432,000 Selling expenses-variable $21,000 Direct materials 61,400 Selling expenses-fixed 18,100 Direct labour 61,300 Administrative expenses-variable 9,600 Manufacturing overhead-variable 19,500 Administrative expenses-fixed 10,400 Manufacturing overhead-fixed 19,020