Required: 1. Calculate for each of following for the year ended December 31, 2022 a. Earnings per share. (2 marks) b. Return on ordinary share equity. (2 marks) c. Book value per share (1 mark) d. Payout ratio (2 marks) (All workings must be shown.) 2. As the above items are so common in financial statements, for earning per share is clearly shown in the income statements of listed company, please explain ANY THREE drawbacks in using earning per share in assessing company's financial performance. (6 marks)