On January 1, 2020, Novak Corp. purchased 1,300 shares of treasury stock. Other information regarding Novak Corp. is provided as follows. Net income Dividends on preferred stock Dividends on common stock Weighted average number of common shares outstanding Common stockholders' equity beginning of year Common stockholders' equity end of year 2019 2020 $195,000 $210,000 $ 34,000 $34.000 $ 18,000 $ 26,000 12.000 10.700 5602,000 $781,000 $781,000 5851,000 (a) Compute return on common stockholders' equity for each year. (Round return on common stockholders to 1 decimal place, s. 10.5.) (a) Compute return on common stockholders equity for each year (Round return on common stockholders to 1 decimal place, eg. 10.5) 2019 2020 Return on common stockholders' equity