Answer:
Yield to maturity(YTM) = 8.02%
Explanation:
Nper = 15
PMT = 65
PV = -870
FV = 1000
Yield to maturity(YTM) = Rate(Nper, PMT, -PV, FV)
Yield to maturity(YTM) = Rate(15,65, -870, 1000)
Yield to maturity(YTM) = 0.080207047
Yield to maturity(YTM) = 8.02%