Give an intuitive explanation of why the early exercise of an American put becomes more attractive as the risk-free rate increases and volatility decreases 9.14 The price of a European call that expires in 6 months and has a strike price of $30 is $2. The underlying stock price is $29, and a dividend of 90.50 is expected in 2 months and again in 5 months. The term structure is flat, with all risk-free interest rates being 10% What is the price of a European put option that expires in 6 months and has a strike price $30 of