Suppose a financial manager buys call options on 18,000 barrels of oil with an exercise price of $77 per barrel. She simultaneously sells a put option on 18,000 barrels of oil with the same exercise price of $77 per barrel. What are her payoffs per barrel if oil prices are $70, $71, $77, $83, and $84? (Leave no cells blank - be certain to enter "O" wherever required. A negative answer should be indicated by a minus sign.) $ 70 $ 71 $ 77 $ 83 $ 84 Market price Payoffs per barrel