The primary roles of a service firm's communication strategy are to inform, persuade, and remind customers

Which of the following are true concerning bond ratings?

I. They have a greater impact on the price and yield of junk bonds than on investment grade bonds. II. They provide investors with a convenient way to assess the relative risk of various bond issues. III. They are provided by an independent government agency. IV. They have a significant effect on a bond's price and yield. A) I and II only B) II and IV only C) III only D) I, II and IV only

It is possible to make fortunes dealing in collectibles

Indicate whether this statement is true or false.