Distinguish between stock and bond. Which one is riskier? Why?

You decided to buy a stock that is currently selling for Tk. 55 per share and pays dividend Tk. 4 per year. The market analyst predicts that the stock will be sold at Tk. 60 in one year. Your expected rate of return is 12% :
(i) Calculate the current price of the stock.
(ii) Should you buy this stock? Why the stock is selling for less than market price?