Answer:
Yield to maturity 7. 26 percentage
Step-by-step explanation:
Yield to maturity is given as

annual coupon = $85
face value = $1000
present value = $1120
maturity period =15 year
putting all value to get yield to maturity value
=[85+(1000-1120)/15]/[(1000+1120)/2]
=7. 26%.