Comparative balance sheets for Softech Canvas Goods for 2021 and 2020 are shown below. Softech pays no dividends and instead reinvests all earnings for future growth. Comparative Balance Sheets ($ in thousands) December 31 2021 2020 $ $ Assets: Cash Accounts receivable Short-term investments Inventory Property, plant, and equipment (net) 68 130 62 260 720 52 150 52 176 640 $1,240 $1,070 Liabilities and Shareholders' Equity: Current liabilities Bonds payable Paid-in capital Retained earnings $ 300 190 490 260 $1,240 240 190 490 150 $1,070 Required: 1. Determine the return on shareholders' equity for 2021. (Round your answer to 2 decimal places.) Return on shareholders' equity %