Ivanhoe Tandy Company reported the following post-closing balances at December 31, 2021: common stock $515,000; paid-in capital in excess of par-common stock $215,000; retained earnings $365,000. During 2022 , the following transactions affected stockholder's equity. 1. Issued preferred stock with a par value of $215,000 for $245,000. 2. Purchased treasury stock (common) for $85,000. 3. Earned net income of $270,132. 4. Declared and paid cash dividends of $101,000 ( $31,000 preferred). Compute Tandy's 2022 return on common stockholders' equity. (Round answer to 1 decimal place, e.g. 2.7.) Return on common stockholders' equity %