3. a). Discuss the use of derivatives and its implications to investors b). The current price of KD Industries stock is $20. In the next year the stock price will either go up by 20% or go down by 20%. KD pays no dividends. The one year risk-free rate is 5% and will remain constant. Using the binomial pricing model, the calculated price of a one-year call option on KD stock with a strike price of $20 is closest to:

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