(b) Let S(T) denote the stock price at time T. The stock pays dividends at a rate proportional to its price. The stocks volatility is 30% per annum. The continuously compounded expected return on the stock is 17% per annum and the continuously compounded risk- free rate of return is 7% per annum. A derivative with payment 80|S(5)> 80 is priced at 20.32. (i) Name and define this derivative. (2 marks) (ii) Another derivative pays S(3) S(3) 80 is priced at 20.32. (i) Name and define this derivative. (2 marks) (ii) Another derivative pays S(3) S(3)