Andrea Cujoli is a currency speculator who enjoys "betting" on changes in the foreign currency exchange market. Currently the spot price for the Japanese yen is yen 129.87/$ and the 6-month forward rate is yen128.53/$. Andrea thinks the yen will move to yen128.00/$ in the next six months. Andrea should ________ to profit from changing currency values. do nothing buy dollar sell yen. sell dollar sell dollar forward