Can you explain question 15 please?

013/43 What is the annual yield on a two year bond that pays a total of two coupons of 8 each on a par value of 100 (i.e. C=8%) if it is priced at 101 with two years to maturity? Ans = IRR({-101,8,108}) = 7.444% model 7.440 (-80%) Q15/45 For this last annual bond again, what would be its s.a. yield after those six months have passed (i.e. 18 months to run) if its (clean) price were still at 101