The correct answer is letter B
Contribution margin is how much of the revenue obtained from the sale of products and services to pay fixed costs (and make a profit), after paying variable costs and expenses (taxes, raw materials, suppliers, staff salaries and others) expenses resulting from those sales).
Through the contribution margin, it is possible to define the contribution margin index (BMI), which is the relationship between the contribution margin and gross operating revenue.
Below are the choices that can be found from other sources:
<span>A) the end of World War I
B) the beginning of the Cold War
C) the end of the Reconstruction Era
D) the beginning of the Great Depression
The answer is th</span>e beginning of the Cold War
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