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 129.87/$ and the 6-month forward rate is 128.53/$. Andrea thinks the yen will move to 128.00/$ in the next six months. Andrea should ________ at ________ to profit from changing currency values. PLEASE EXPLAIN THE REASONING BEHIND YOUR ANSWER. Thank you!

a) buy yen; at the forward rate

b) buy dollars; at the forward rate

c) sell yen; at the forward rate

d) There is not enough information to answer this question.