assuming the stocks maturity date has a closing cost of $90

What is the payoff of each October long put option with strike price $85?

What is the profit of each October short put option with strike price $95?

What is the payoff of each October short call option with strike price $95?

What is the profit of each October long call option with strike price $85?

Use the following information to answer the four questions referring to Figure 15.1: Refer to Figure 15.1, which lists the prices of various IBM options. Use the data in the figure to calculate the payoff or the profit for the long or short position in each of the October maturity options stated in each of the questions, assuming that the stock price on the maturity date is $90