need help with sub questions: a,b,c. thank you

! Required information The following information applies to the questions displayed below.) Monterey Co, makes and sells a single product. The current selling price is $15 per unit. Variable expenses are $9 per unit, and fixed expenses total $27,000 per month (Unless otherwise stated, consider each requirement separately) Required: a. Calculate the breakeven point expressed in terms of total sales dollars and sales volume. Break-even sales Break-even volume units ! Required information [The following information applies to the questions displayed below.) Monterey Co. makes and sells a single product. The current selling price is $15 per unit Variable expenses are $9 per unit, and fixed expenses total $27.000 per month (Unless otherwise stated, consider each requirement separately) b. Calculate the margin of safety and the margin of safety ratio. Assume current sales are $75,000. Margin of safety Margin of safety of ratio % Required information The following information applies to the questions displayed below.) Monterey Co. makes and sells a single product. The current selling price is $15 per unit. Variable expenses are $9 per unit, and fixed expenses total $27,000 per month. (Unless otherwise stated, consider each requirement separately.) c. Calculate the monthly operating income (or loss) at a sales volume of 5.400 units per month