the holiday card company, a producer of specialty cards, has asked you to complete several calculations: income tax rate 30% Selling price per unit $6.60 Variable cost per unit $5.28 total fixed costs 1. what is the breakeven point in cards? 2. What sales volume is needed to earn an after-tax net income of $13,028.40 3. How many cards must be sold to earn an after-tax net income of $18,480