Which of the Following Statements Is True Regarding Marketing Ethics

Which of the following statements is true regarding marketing ethics and social responsibility?

A) When products are complicated, consumers may be vulnerable to unscrupulous sellers.
B) Firms should aim to advance their own short-term interests at the expense of customers.
C) Being socially responsible tends to decrease a firm's costs, but negatively affects its profits.
D) Consumers only want to purchase products that are safe or good for them in the long-run.