An American put option allows the holder to:
a. Buy the underlying asset at the strike price on or before the expiration date.
b. Sell the underlying asset at the strike price on or before the expiration date.
c. Potentially benefit from a stock price increase.
d. Sell the underlying asset at the strike price on or before the expiration date and potentially benefit from a stock price increase.
e. Buy the underlying asset at the strike price on or before the expiration date and potentially benefit from a stock price increase.