Consider a two-period binomial model, where each period is 6 months. Assume the stock price is $46.00, = 0.28, r = 0.06 and the dividend yield is 2.0%. What is the maximum approximate strike price where early exercise would occur with an American call option? (

a) $29 (b) $33 (c) $42 (d) $46 Answer: A

Please help, I wanted to know how can I come up with the answer. Thank you very much!