18 Variable cost per unit Total fixed costs Units sold Before-tax income $130 $125,000 4,000 $75,000 Sales price per unit is a $50 b. $130 C. $180 d $210 19. Variable costs $100,000 Fixed costs $200,000 If the tax rate is 40%, sales in dollars necessary to generate an after-tax profit of $72,000 would be a $1,360,000 c. $400,000 b. $800,000 d. $340,000