At December 31,2020 , Ivanhoe Company has $570,000 of $100 par value, 5%, cumulative preferred stock outstanding and $2,170,000 of $10 par value common stock issued. Ivanhoe's net income for the year is $440,800. Compute earnings per shere of common stock for 2020 under the following independent situations. (Round answers to 2 decimal places e.g. 1.50.) (a) The dividend to preferred stockholders was declared, and there has been no change in the number of shares of common stock outstanding during the year. (b) The dividend to preferred stockholders was not declared, and 10,500 shares of common treasury stock were held throughout the year. The preferred stock is cumulative. (a) Eamings per share of common stock $ (b) Earnings per share of common stock