1. Suppose IBM is currently selling for $100 per share, the one period risk free rate is 8% and IBM pays no dividends over the period. Consider a one period European call on IBM with K=$50. a. IBM will either go up by 20% or down by 5%. What is the value of the call one period from expiration? b. Now suppose IBM will go up by 40% or down by 40%. What is the value of the call one period from expiration? Explain any change or lack of it relative to part a). c. Now suppose IBM will go up by 40% or down by 60%. What is the value of the call one period from expiration? Explain any change or lack of it relative to parts a) and b)