Can you answer all a,b,c and d please.

2 As of January 2016, Sigma Oxidation Co has 6% Preferred stock, $100 par value 10,000 shares issued and outstanding; Common stock, $5 par value, 100,000 shares issued and outstanding. The following dividends were declared and paid as follows: 2015 2016 2017 2018 No dividends were declared and paid $ 15,000 $ 40,000 $ 110,000 (a) Assuming the preferred stock were non-cumulative, how much dividends did preferred and common stockholders receive for each year dividends were paid. (20 points) 2015 2016 2017 2018 Dividends Preferred Shareholders Dividends in Arrears Common Shareholders (b) Calculate Dividend Per Share for each year (5 points) (c) Assuming the preferred stock were cumulative, how much dividends did preferred and common stockholders receive for each year dividends were paid. (20 points) 2015 2016 2017 2018 Dividends Preferred Shareholders Dividends in Arrears Common Shareholders (d) Calculate Dividend Per Share for each year (5 points)