Lack of mutual agency is best described as which of the following?

A$.$ Shares of stock can be readily purchased and sold by investors on an organized stock exchange.

B$.$ The liabilities of the corporation cannot be extended to the personal assets of the stockholder.

C$.$ Stockholders are not authorized to sign contracts or make business commitments on behalf of the corporation.

D$.$ Corporations pay income tax on corporate earnings, and shareholders pay income tax on corporate dividends.