Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) Advertising,promotion,and public relations can be effective means of increasing sales by informing customers of the business and its goods and services.
B) Advertising,promotion,and public relations can be effective by improving the image of the firm and its products.
C) Advertising,promotion,and public relations can be effective by persuading customers to purchase the firm's goods or services.
D) All of the above