【单选题】Which of the following is NOT true about profit margin?
A.
It’s the cost of producing one more unit of a good, also known as marginal cost (题目问以下哪个选项是不对的。A讲的是边际成本。跟利润率是完全不同的概念。课上解释过。如果还有疑惑可看Unit 3章节里有专门介绍profit margin的视频与word。 )
B.
It represents how much percentage of sales has turned into profits.
C.
It’s one of the commonly used profitability ratios to evaluate profitability of a business activity.
D.
It has become the globally adopted standard measure of profit-generating capacity of a business