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1. Alex Miller, Inc., sells car batteries to service stations for an average of $30 each. The variable cost of each battery is $20 and monthly fixed manufacturing costs total $10,000. Other monthly fixed costs of the company total $8,000.
   Required:
   a. What is the breakeven point in batteries?
   b. What is the margin of safety, assuming sales total $60,000?
   c. What is the breakeven level in batteries, assuming variable costs increase by 20%?
   d. What is the breakeven level in batteries, assuming the selling price goes up by 10%, fixed manufacturing costs decline by 10%, and other fixed costs decline by $100?
2. Royer Corporation gathered the following information:
   Variable costs$945,000
   Income tax rate40%
   Contribution-margin ratio30%
   Required:
   a. Compute total fixed costs assuming a breakeven volume in dollars of $1,350,000.
   b. Compute sales volume in dollars to produce an after-tax net income of $108,000.
3. Furniture, Inc., sells lamps for $30. The unit variable cost per lamp is $22. Fixed costs total $9,600.
   Required:
   a. What is the contribution margin per lamp?
   b. What is the breakeven point in lamps?
   c. How many lamps must be sold to earn a pretax income of $8,000?
   d. What is the margin of safety, assuming 1,500 lamps are sold?