问题如下：
A two-year fixed-for-floating Libor swap is 1.00% and the two-year US Treasury bond is yielding 0.63%. The swap spread is closest to:
选项：
A.37 bps.
B.100 bps.
C.163 bps.
解释：
A is correct.
The swap spread = 1.00% - 0.63% = 0.37% or 37 bps.
请问swap rate不需要年化吗？
