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Which of the following provides a firm with one or more specialized services, such as media buying or creative development, that an advertising campaign requires?

A) a limited-service agency B) an account management agency C) a retail advertising agency D) a media planning agency E) an integrated marketing agency

An increase in a corporation's marginal tax rate will decrease the corporation's cost of debt, but

have no impact on its cost of preferred stock or cost of common equity. Indicate whether the statement is true or false