When a company pays customers for their positive ratings on product user review sites, it may cross a(n) line.

c. ethical

Explanation:

Positive ratings of a product encourage other people to buy a product because they will assume that it is good.

If a company pays for these ratings even when the goods are not as good, it will lead people to buy goods that they would not have bought otherwise which amounts to deception which is not an ethically right action to engage in to sell products.

answer; read and consider the content of the items;

answer; manager working long hours; plz check i believe this is correct good luck;