In question 3 above, what, to the nearest cent, is the value of a American put option with a strike price of $32 that expires in four months? (Your answer should be in the unit of dollar, but without the dollar sign. For example, if your answer is $1.02, just enter 1.02.)

Question 3:

A stock price is currently $30. During each two-month period for the next four months it is expected to increase by 8% or decrease by 10%. No dividend payment is expected during these two periods. The risk-free interest rate is 5% per annum. If you use a two-step tree to do the valuation, what, to the nearest cent, is the value of a European put option with a strike price of $32 that expires in four months?