Which statement about dividend policies is correct?

a$.$ The key advantage of a residual dividend policy is that it enables a company to

follow a stable dividend policy.

b$.$ Dividend reinvestment plans are designed to aid in the distribution of stock

dividends.

c$.$ Stock splits, stock dividends, and reverse splits are all designed to make the firm's share more appealing to the average investor.

d$.$ The main goal of the share repurchases is solely to avoid taxes for investors.