Which One of the Following Statements Regarding Preference Shares Is

Which one of the following statements regarding preference shares is true?

A) Preference shareholders are usually repaid last, in the event that the company is wound up.
B) Preference shares do not usually carry a fixed rate of dividend.
C) The preference dividend has to be paid before the ordinary dividend can be paid.
D) Preference shareholders usually have the right to vote at company meetings.