To find the correct answer to this question, we have to determine what must be true in order for the conclusion "Kitchen can collect its licensing fees without endangering its other revenues" to follow from the facts presented in the passage.

So, notice that, if (C) Makers of cookware will not find Kitchen a less attractive advertising vehicle because the magazine's name is associated with a competing product is not true, then Kitchen may endanger its advertising revenue by licensing its name by a line of cookware. After all, if makers of cookware WILL find Kitchen a less attractive advertising vehicle because the magazine's name is associated with a competing product, then makers of cookware may reduce their use of Kitchen for advertising when Kitchen associates its name with a line of cookware.

The correct answer is (C).