Please help answer all parts (a, b, c, d)

Alternative dividend policies Over the last 10 years, a firm has had the earnings per share shown in the following table: a. If the firm's dividend policy were based on a constant payout ratio of 40% for all years with positive earnings and 0% otherwise, what would be the annual dividend for 2021 ? b. If the firm had a dividend payout of $1.00 per share, increasing by $0.10 per share whenever the dividend payout fell below 50% for two consecutive years, what annual dividend would the firm pay in 2021 ? c. If the firm's policy were to pay $0.50 per share each period except when earnings per share exceed $3.00, when an extra dividend equal to 80% of earnings beyond $3.00 would be paid, what annual dividend would the firm pay in 2021 ? d. Discuss the pros and cons of each dividend policy described in parts a through c. a. If the firm's dividend policy were based on a constant payout ratio of 40% for all years with positive earnings and 0% otherwise, the annual dividend for 2021 is $ (Round to the nearest cent.) Data table (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.)