40. Dodero Company produces a single product that sells for $100 per unit. Fixed expenses total $12,000 per month, and variable expenses are $60 per unit. The company's sales average 500 units per month. Which of the following statements is correct? A. the company's break-even point is $12,000 per month. B. the fixed expenses remain constant at $24 per unit for any activity level Within the relevant range. C. the company's contribution margin ratio is 40%. D. responses a, b, and c are all correct