68. Hart Company sold 5,000 units for a price of $50 per unit and had the following information: Variable expenses $160,000 Fixed expenses 5125.000 Breakeven sales point 3347.222 If the sales price per unit were to increase by 10%, variable expenses were to increase by 12.5% and fixed expenses were to increase by 20%, what would be the new contribution margin per unit? A. $19. B. $21. C. $23. D. $25. E. $32