Which of the following is true about the call provision?

a. Call provisions state that the company must pay an amount greater than the par value of the preferred stock.

b. Call provisions provide an option to convert each share of the preferred stock into a certain number of shares of common stock.

c. Call provisions will allow the transfer of right to vote to a second party by means of an instrument.

d. Call provisions will allow the stockholders to elect the members of the board of directors and vote on corporate issues.