please answer all the question

Question 4 (14 marks) (a) ABC company will pay dividend $20 per share next year and will increase the dividend by 5% per year thereafter. The required return on this stock is 12%, what is the current share price by Gordon Growth Model? (10 marks) (b) A high-tech stock has an odd dividend policy. The stock pays no dividend in every odd year, and a $5 dividend per share in every even year; that is, the dividend pattern in the following years is 80, 85, 80, 85, $0, $5... onwards. If the required rate of return is 10% per year, determine the stock value today. (4 marks)