Pls show me your work(each steps).

1. The earnings and dividends of Nebula Computer Co. are expected to grow at an annual rate of 14 percent over the next 4 years and then slow to a constant growth rate of 6 percent per year. Nebula just paid a dividend of $0.50 per share. What is the value of Nebula stock to an investor who requires a 12percent rate of return?

2. What is the current value of a share of Chyrox if its current dividend is $2.50 and dividends are expected to grow at an annual rate of 10 percent for the next 3 years? Assume the investor has a required rate of return of 12 percent and expects to sell the security in 3 years for $72.

3. What are some of the costs associated with new security offerings?

4. When Facebook launched its IPO, the sale of the stock did not go as planned.In fact, class action lawsuits have been filed.What is the accusation against Facebook?