19. (Bull spread) Using the data from the previous problem, compute and graph the profit from a strategy in which you buy a TM call with exercise price X = $45 and write a call with exercise price X = $50. Explain why this strat- egy might be attractive. Call Prices 45 Price 4.10 1.65 TM stock price Stat option expiration Profit on X = $45 Profit on X = $50 call (bought) call (written) Total profit