Which of the following statements about the theory of sustainability is true?

Sustainability is only successful if it focuses on organizational strengths.

Sustainability is the idea that socially responsible companies will outperform their peers when they focus on the world's problems as marketing opportunities.

According to the theory of sustainability, ethical behavior should never be viewed as the means of obtaining a competitive advantage.

Sustainability is an internal process in which companies match resources and objectives.

According to the theory of sustainability, a company cannot be socially responsible without a code of ethics and managerial support of that code.