Which of the following is true about Preferred Stock?

a		If at a time a dividend is due on preferred stock, if the company does not have the funds to pay the dividend, the right of the preferred shareholders to collect that dividend lapses.
b		Like bonds, preferred stock always has a maturity date at which time the issue price must be repaid to shareholders.
c		Preferred shareholders always have voting rights.
d		Preferred dividends are not tax deductible to the corporation.