The current futures price of a stock is $15 per share. One month later, when the futures option expires, the futures price could have risen to $16.5 per share or declined to $14 per share. The strike price is $14.5. The risk-free rate is 6%.

1. Please solve the futures call option premium based on the fact that at time zero, the cost of acquiring a portfolio is equal to the value of the portfolio.