What is the static yield for a 5-year, 6% coupon semiannual pay bond that is currently priced at $920 when the Treasury spot yields are as shown below?

Period spot rate

1 5.200%

2 5.300%

3 5.400%

4 5.500%

5 5.600%

6 5.700%

7 5.800%

8 5.900%

9 6.000%

10 6.100%

a)1.92%

b)2.25%

c)1.78%

d)2.52%