a. Discuss why investors perceive share buy-backs to be weaker than a cash dividend? (4 marks) b. You own 5,000 shares of Irri-gate Co. The company has decided to pay a special dividend of $2.00 per share. Dividend payments are taxed at 15 per cent. You intend to reinvest your dividend back into the company, but the company does not have a dividend reinvestment program. To reinvest through your broker, you will have to pay a $65 commission. If the company's shares are trading at $14.00 following the dividend payment, how many additional shares will you be able to purchase