You are now evaluating the common stock of a company. The company has just paid dividend of RM0.50 per share. With a required return of 15%, calculate the value of the company stock in each of the following scenario:  

a. The dividends are expected to grow at a constant annual rate of 5% forever.

b. The dividends are expected to grow at 20% per year within the first four years and then grow at 5% per year afterward.