Exercise 1. Arbitrage [2] In the discussions of some of the models in this course, we relied on the following type of argument: \"If two investment strategies have the same payo' tomorrow, they must have the same price today.\" (Which we also called an no arbitrage argument.) Which of the following theories relied explicitly on these kinds of noarbitrage arguments? (a) The Put Call parity of option pricing. (b) The Miller Modigliani theorems for capital structure. (c) The CAPM