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What does the 3-point profit margin mean when buying a car?

That is to say, if it is a 100W car, it will cost you 3W.

Use the price of the product multiplied by this "how many points". For example, if the price of a certain product is 100 yuan and the profit margin is 3 points, then this product can be cheaper for you by 100 times 0.03. =3 yuan.

In this way, you can buy this product for 97 yuan.

That’s what it means.