what amount of dividends is paid annually to a preferred shareholder owning 400 shares of the series a preferred stock? if dividends are not paid in 2025 and 2026, but are paid in 2027, what amount of dividends will the shareholder receive? if the investor chooses to convert the shares in 2025, how many shares of common stock will the investor receive for their 400 shares? if ozark chooses to redeem the shares on june 18, 2025, what amount will the investor be paid for their 400 shares?