Please show work for every part. Im really confused on the deferred prefrence dividend (opening through closing) part

Dividends Per Share Imaging Inc., a developer of radiology equipment, has stock outstanding as follows: 11,000 shares of cumulative preferred 4% stock, $160 par, and 37,000 shares of $10 par common. During its first four years of operations, the following amounts were distributed as dividends: first year, $47,190; second year, $103,610; third year, $116,690; fourth year, $120,720. Compute the dividends per share on each class of stock for each of the four years. Round all answers to two decimal places. If no dividends are paid in a given year, enter "O". 1st Year 2nd Year 3rd Year Preferred stock (dividend per share) $ Common stock (dividend per share)