15. Suppose that you buy an alternative call option with the following terms:

• The underlying asset is one unit of Asset G or one unit of Asset H.

• The strike price for Asset G is $100.

• The strike price for Asset H is $115.

• The expiration date is four months from now.

• The option can only be exercised at the expiration date.

a. What is the payoff from this option if at the expiration date, the price of Asset G is $125 and the price of Asset H is $135?

b. What is the payoff from this option if at the expiration date, the price of Asset G is $90 and the price of Asset H is $125?

c. What is the payoff from this option if at the expiration date, the price of Asset G is $90 and the price of Asset H is $105?