Answer:
The company's net operating income is b. $4,700
Explanation:
The contribution margin ratio is calculated by using following formula:
Contribution margin ratio = (Sales - Total Variable cost)/Sales
Total Variable cost = Sales x (1 - Contribution margin ratio)
Maack Corporation's contribution margin ratio is 18% and the company's sales for a month are $315,000.
Total Variable cost = $315,000 x (1 - 18%) = $258,300
The company's net operating income = Sales - Total Variable cost - Fixed expenses = $315,000 - $258,300 - $52,000 = $4,700