Which of the Following Statements Describes the Difference Between Commercial

Which of the following statements describes the difference between commercial and public sources of information?

A) Commercial sources legitimize the product,while personal and public sources inform consumers about the product's existence.
B) Commercial sources inform consumers about products and their features,while personal and public sources legitimize the purchase.
C) Commercial sources are the primary source of information,while personal and public sources serve as secondary sources.
D) Commercial sources of information provide qualitative information about products,while personal and public sources provide quantitative information.