Suppose a financial manager buys call options on 50,000 barrels of oil with an exercise price of $57 per barrel. She simultaneously sells a put option on 50,000 barrels of oil with the same exercise price of $57 per barrel. If oil price is $52 at the maturity, what is her payoff? Select one: O a. $250,000 loss Ob. $0 O c. $100,000 loss Od. $100,000 gain