jYou will definitely be getting a thumbs up

The current price of a non-dividend-paying stock is $30. There is one period ( 6 months) left in an American put option on the stock with a strike price of $32 that expires in 1 year with u = 1.1, d = 0.9, p = 0.6010. The risk-free rate is 8%. What will the option be worth? (round the answer two digits after decimal) Answer: X The correct answer is: 2.43