Refer to the shareholders' equity of Beta Ltd below before adjustment for Treasury share transactions. Beta Ltd Shareholders' Equity: Ordinary share capital $2,000,000 ($1 par value; 3,000,000 shares authorized; 2,000,000 shares issued) Additional paid-in capital $5,000,000 Retained Earnings $1,800,000 Beta Ltd executed 500,000 shares buy-back into its Treasury account at an average price of $3 per share. What is the approximate book value per share of Beta Ltd? O a. $4.9 O b. $4.4 O c. $3.7 O d. $5.9