Cullumber Inc. had net income for 2023 of $6,226,200. The company had 2,140,000 of common shares outstanding throughout the year. During 2023, Cullumber paid dividends on the common shares of $0.08 per share. Average common shareholder equity was $29,960,000, and the market value of the shares on December 31, 2023 was $19 per share. Cullumber Inc. also had 96,000 shares outstanding of cumulative, $4, no-par value preferred shares. The shares were outstanding for the full year, and dividends had been kept current for the past several years. Calculate the following ratios for Cullumber Inc.: (Round answers to 2 decimal places, e.g. 25.15 or 25.15%. Round earnings per share to 3 decimal places for intermediate calculations, e.g. 1.253.) (a) Rate of return on common shareholders' equity %