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Question 1 3 pts An underlying asset has values defined by Cox-Ross-Rubenstein notation S=50, u=1.2 and d=1/u in a three-step binomial model. The return over each time step is R=1.1. This underlying and return will be used in the following four questions. An American vanilla put is available with strike $42. This put has the underlying asset and return described above. For a three-step binomial model, what is the premium of this American put correct to four significant figures? Do not include the dollar sign ($) in your