Menlo Company distributes a single product. The company’s sales and expenses for last month follow:
Total  Per Unit  

Sales  $310,000  $20 
Variable expenses  217,000  14 
Contribution margin  93,000  $6 
Fixed expenses  78,000  
Net operating income  $ 15,000 
Required:

What is the monthly breakeven point in unit sales and in dollar sales?

Without resorting to computations, what is the total contribution margin at the breakeven point?

a. How many units would have to be sold each month to earn a target profit of $28,800? Use the formula method.
b. Verify your answer by preparing a contribution format income statement at the target sales level. 
Refer to the original data. Compute the company’s margin of safety in both dollar and percentage terms.

What is the company’s CM ratio? If monthly sales increase by $69,000 and there is no change in fixed expenses, by how much would you expect monthly net operating income to increase?