read the case Berkshire Hatheway and have to solve with ASSIGNMENT QUESTIONS which i listed below.

(Berkshire Hatheway )ASSIGNMENT QUESTIONS

1. What type of dividend policy did Berkshire Hathaway adopt? Has the company appropriately followed the policy?

2. Is Buffet's reasoning for preferring share repurchase valid?

3. Is a "homemade dividend" (selling a small portion of shares) a viable alternative to cash dividends for the investor?

4. What factors should Berkshire Hathaway consider when deciding whether to pay a dividend? How will those factors affect the company's decision?