1. Write down the payoff table and draw the payoff diagram (both at expiration) of a portfolio consisting of 1 call option with a strike price K of $60 and 1 put option with a strike price K of $80.
2. Write down the payoff table and draw the payoff diagram (both at expiration) of a portfolio consisting of 1 call short with a strike price K of $60 and 1 put short with a strike price K of $80.