Which of the following statements regarding Company A is incorrect?
A. If Company A has fixed costs of $720,000, a selling price of $50 per unit, and contribution margin of $30 per unit, its break-even volume in units is 24,000 units.
B. If Company A has fixed costs of $720,000, a selling price of $50 per unit, and contribution margin of $30 per unit, its variable expenses must be $24 per unit.
C. If Company A has fixed costs of $720,000, a selling price of $50 per unit, and contribution margin of $30 per unit, once it has covered its fixed costs, net income will increase by $30 for each additional unit sold.
D. None of the answers are correct.