Given that the coupon rate is 10% p.a , given that the coupon is paid semi-annually, then the semi annual rat will be:
10/2=5%
hence the amount paid will be:
5/100×879.21
=$43.7605
hence the yield will be given by:
yield=(coupon)/(market price of bond)
43.7605/876.21
=0.04884%~0.05%