A share is worth 100 at the moment. For each of the next six month intervals, the price is expected to increase by 20% (twenty percent) or decrease by 5% (five percent). Using continuous compounding with a risk-free interest (rf) of 8 percent p.a. and exercise price 105, you are required to: a. Calculates the value of a European Call option for one year. (10 points) b. Draw a binomial tree. (10 points)