A Stock is at $200. Risk free rate is at 5%. Price an at the money 1-year European put option using a 2-step tree shown below. Now price a corresponding at-the-money American put option. What are the prices? 352.1308 265.3793 200 200 150.7277 113.5941 Time (Yrs) 0 0.5 1 1 European Put $32.50, American Put $32.50 European Put $22.74. American Put $32.50 European Put $25.31, American Put $22.80 European Put $22.80, American Put $25.31