单选题
An investor does research about forward rate agreement and takes a $1million short position in a forward rate agreement 3×9 quoted at 5% according to LIBOR. At expiration, the investor gathers the following rates:
| Underlying Rate | Rate |
| 30-day LIBOR | 5.20% |
| 60-day LIBOR | 5.30% |
| 90-day LIBOR | 5.40% |
The payoff for this investor is closest to:
A. $495.62
B. $500.00
C. $660.83