please do no post the same exact answers as the other posts of this questions. those are confusing

Question 3 (12.5 points) A currency futures price is currently $1.90 and has a volatility of 20%. The domestic and foreign risk-free interest rates are 6% and 3%, respectively. Use a two-step binomial tree to derive a) the value of a three-month European call option on the currency futures with a strike price of $1.91, and b) the currency futures position which will hedge a short position in the European call option today