Which of the following statements is correct? Select one: O a. If a company has an established clientele of investors who prefer a high dividend payout, and if management wants to keep stockholders happy, it should not follow the strict residual dividend policy. b. If a firm follows a strict residual dividend policy, then, holding all else constant, its dividend payout ratio will tend to rise whenever the firm's investment opportunities improve. Oc. If Congress increases the personal tax rates on dividends, this would motivate companies to increase their dividend payout ratios. O d. Despite its drawbacks, following the residual dividend policy will tend to stabilize actual cash dividends, and this will make it easier for firms to attract a clientele that prefers high dividends, such as retirees