To test whether it is worth exercising the option early, we compare the value calculated for the option at each node with the payoff from immediate exercise. At node C the payoff from immediate exercise is 5147 53 5 . Because this is greater than 2.8664, the option should be exercised at this node. The option should not be exercised at either node A or node B. Figure S12.2Tree for Problem 12.12
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