Brandon Michael Chu of Henry Law & Yang Yi Capital Limited believes that earnings and dividends at Alua Amanova & Shuwen Wang Technologies (AST) will continue to grow at 12% per year for 20 years. After that growth will level off to 5% for the indefinite future. The dividend just paid was $4 per share and the required rate of return on this stock is 12%.

a. What is the value of AST stock?

b. Suppose AST is currently trading at $120 per share. Expected D1 = $4.80. After that dividends will grow at 12% per year for ? number of years, then after dividends will grow at 5% per year forever. Required rate of return is 12%. How many years of growth at 12% is the market predicting?