How to calculate for Nov 15 and Dec 20

In 2020, Elizabeth and some of her friends invested money to start a company named LADIEZ Corporation. The following transactions occurred during 2020. \begin{tabular}{|l|l|} \hline Jan 1 & Thecorporatecharterauthorized66,000sharesof4%,cumulativepreferredsharesandunlimitedno-parvaluecommonshares. \\ \hline Jan 6 & Issued 171,000 common shares at $14 per share to Elizabeth and other investors. \\ \hline Jan 7 & Issuedanother520commonsharestoElizabethinexchangeforherservicesinorganizingthecorporation.Theshareholdersagreedthattheserviceswereworth$8,840. \\ \hline Jan12 & Issued 4,500 preferred shares for $180,000. \\ \hline Jan14 & Issued9,000commonsharesinexchangeforequipment.Thefairmarketvalueoftheequipmentcouldnotbereadilydetermined,butthemarketpriceofthecommonsharesonthisdatewas$15pershare. \\ \hline Nov15 & The first annual dividend on preferred shares declared. \\ \hline Dec20 & Paid the dividends declared on preferred shares. \\ \hline Dec31 & Estimated income tax expense of $37,500. \\ \hline \end{tabular} LADIEZ Corporation generated a $105,000 (after income tax) during the year. The company uses the retained earnings account to record dividends. b) Prepare the statement of retained earnings for the year ended December 31, 2020. c) Prepare the shareholders' equity section of the balance sheet as at December 31, 2020