Exercise 2 Pidris Funiture, Inc., sells lamps for $30. The unit variable cost per lamp is S22. Fixed costs total $9,600, Pidns's tax rate is 30%. Required: a. What is the contribution margin per lamp? b. What is the contribution margin ratio for Pidris Fumiture, Inc. c. What is the breakeven point in units and in dollars? d. How many lamps must be sold to earn an after tax income of $7,000? e. What is the margin of safety, assuming 1,500 lamps are sold? f. What is the company's degree of operating leverage, assuming 1,500 lamps are sold