i need help on a and b

E3: Salliq Ltd. reported the following selected information for the year ended January 31, 2021: net income, $14,000; beginning shareholders' equity, $104,000; and ending shareholders' equity, $122,000. Salliq has no preferred shares. (a) Calculate the return on common shareholders' equity. (b) Explain how your calculation in part (a) would change if Sallig had preferred shares and had paid the preferred shareholders a dividend. a