In business, the contribution-margin ratio is b. unit contribution margin divided by the selling price.
After finding the contribution margin by subtracting the variable costs from the selling costs, you can then find the contribution margin ratio in the following formula:
= (Unit contribution margin) / Selling price
This shows how much of the selling price will be left after variable costs are accounted for.
Find out more on the contribution margin ratio at https://brainly.com/question/24039258.
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