the swiss fanc spot rate is currently S=$1.35/ SFr. It is projected that the spot rate will either increase to Sr = $1.40 if US economic conditions worsen over the next year, or decline to Sd=$1.30 if condiiotns improve. Eurodollar bank account require B=$1 to set up and are paying zero interest. Call options on the swiss frac currently have a strike price of X=$1.38. Using the bimonial model, what is the value, c, of the call option.