GMAT Test Prep: CR-54341477 GMAT Critical Reasoning

Paper&Print is a chain of British stores selling magazines, books, and stationery products. In Britain, magazines' retail prices are set by publishers, and the retailer's share of a magazine's retail price is 25 percent. Since Paper&Print's margin on books and stationery products is much higher, the chain's management plans to devote more of its stores' shelf space to books and stationery products and reduce the number of magazine titles that its stores carry.

Which of the following, if true, most strongly argues that the plan, if put into effect, will not increase Paper&Print's profits?
Select one of the following answer choices