If the spot price of the euro is $1.10 per euro and the 30-day forward rate is $1.00 per euro, and you believe that the spot rate in 30 days will be $1.05 per euro, you can maximize speculative gains by:
a. Buying euros in the spot market and selling the euros in 30 days at the future spot rate.
b. Signing a forward foreign exchange contract to sell the euros in 30 days.
c. Signing a forward foreign exchange contract to sell the dollars in 30 days.
d. Buying dollars in the spot market and selling the dollars in 30 days at the future spot rate.