need help on math for dividends!

Problem 10-28 Record equity transactions and indicate the effect on the balance sheet equation (LO10-2, 10-3, 10-4, 10-5) [The following information applies to the questions displayed below.) Nautical has two classes of stock authorized: $10 par preferred, and $1 par value common. As of the beginning of 2021, 150 shares of preferred stock and 1,900 shares of common stock have been issued. The following transactions affect stockholders' equity during 2021: 1 Inne 1,900 additional shares of common stock for $16 per share. April 1 Issue 150 additional shares of preferred stock for $29 per share. June 1 Declare a canh dividend on both common and preferred stock of $0.55 per share to all stockholders of record on June 15. June 30 Pay the cash dividende declared on June 1. August 1 Purchase 250 shares of common trosbury stock for 613 per share. October i Rolne 150 shares of treanury stock purchased on August 1 for $15 per nhare. Nautical has the following beginning balances in its stockholders' equity accounts on January 1, 2021: Preferred Stock $1,500, Common Stock $1,900, Additional Paid-in Capital, $18.400; and Retained Earnings, $10,400. Net Income for the year ended December 31, 2021, is $7100. March 021 4,350 Cash Preferred Stock Additional Paid-In Capital 1,500 2,850 2021 Dividends Dividends Payable -0,2021 Dividends Payable Cash 3,250 ist 01, 2021 Treasury Stock Cash 3,250