Is the contribution margin ratio of a grocery store likely to be higher or lower than that

Question:

Is the ratio of a grocery store likely to be higher or lower than that of a plastics manufacturer? Explain the difference in cost structure between a grocery store and a plastics manufacturer. How does the cost structure difference impact operating risk?
Contribution Margin
Contribution margin is an important element of cost volume profit analysis that managers carry out to assess the maximum number of units that are required to be at the breakeven point. Contribution margin is the profit before fixed cost and taxes...