Door Corporation Sell price per door =$200 Variable cost per door =$120 Total fixed costs =$80,000 a. What is the contribution margin per door? b. What is the break-even point in doors? c. What is the break-even point in dollars? d. How many doors must be sold to earn a pretax income of $20,000 ? e. How much profit will they earn if the sell 2,000 doors