Question:
Math Tot sells a learning system that helps preschool and elementary students learn basic math facts and concepts. The company"s income statement from last month is as follows:
  | 
 Total 
 | 
 Per Unit 
 | 
| 
 Sales 
 | 
 $600,000 
 | 
 $12.00 
 | 
| 
 Variable expenses 
 | 
 350,000 
 | 
 7.00 
 | 
| 
 Contribution margin 
 | 
 250,000 
 | 
 $ 5.00 
 | 
| 
 Fixed expenses 
 | 
 175,000 
 | 
  | 
  | 
| 
 Operating income 
 | 
 $ 75,000 
 | 
  | 
  | 
Required
1.  What is Math Tot"s contribution margin ratio? Its variable cost ratio?
2.  What is Math Tot"s margin of safety?
3. If Math Tot"s sales were to increase by $100,000 with no change in fixed expenses, by how much would net operating income increase?
4. Math Tot"s managers have determined that variable costs per unit will increase by 16% beginning next month. To offset this increase in costs, they are considering a 10% increase in the sales price. Market research indicates that the price increase will result in a 2% decrease in the number of learning systems Math Tot sells. What will be Math Tot"s expected net operating income if the price increase is implemented?