Answer:
YTM = 3.094%
Step-by-step explanation:
If you can't calculate the YTM using excel or a financial calcualtor, you can do it by hand using the approximation formula:

C = interest payment = 1,000 x 6%/2 = 30
F = face value = 1,000
P = 985,63
n = payment periods = 10 years x 2 payment per year

YTM = 3.094%
Notice, this YTM is an approximation