On May 8, 2013, an investor owns 100 Google shares. The share price is about $ 871 and a December put option with a strike price of $ 820 costs $ 37.50.The first involves buying one December put option contract with a strike price of $ 820. The second involves instructing a broker to sell the 100 shares as soon as Google's price reaches $ 820. Discuss the advantages and disadvatages of the two strategies.