calculate the yield to maturity. show working out / formula.

Default Price Clean Price Type of Bond Type of Guarantee Amortisation 113.4130 113.4130 FI NA Gross Price 116.1441 CA Date of Last Price Changes Settlement Date First Interest Accrual Date Days Accrued Interest Accrued Interest 20/08/2019 Coupon Pay Dates Coupon Issue Date First Redemption Date Last Redemption Date Amt Issued (000's) Amt Outstanding (000's) 21/11 3.6250 21/11/2017 21/11/2017 NA 21/11/2047 A/A 2.7312 250K Redemption Yield Interest Yield 2.9206 3.1963 250K Japanese Simple Yield Life Duration Mod. Duration Convexity Spread/yield curve Spread/benchmark 2.7776 28.2466 2.60 120 18.3605 17.8395 335.5815 2.0647 NA 2.40 [110 GVUK NA 2.20 100 -12M 15.64 -3M -1M 2.70 2.00 13.09 -19.04 17.93 17.30 Price(%chng) Red.Yield (%chng) -4.81 Duration Mod. Duration -21.77 17.90 17.25 18.30 17.75 80 1.80 A SONDJFMAMJ JA CODEAD OYER YIELD CURVE Default Price Clean Price Type of Bond Type of Guarantee Amortisation 113.4130 113.4130 FI NA Gross Price 116.1441 CA Date of Last Price Changes Settlement Date First Interest Accrual Date Days Accrued Interest Accrued Interest 20/08/2019 Coupon Pay Dates Coupon Issue Date First Redemption Date Last Redemption Date Amt Issued (000's) Amt Outstanding (000's) 21/11 3.6250 21/11/2017 21/11/2017 NA 21/11/2047 A/A 2.7312 250K Redemption Yield Interest Yield 2.9206 3.1963 250K Japanese Simple Yield Life Duration Mod. Duration Convexity Spread/yield curve Spread/benchmark 2.7776 28.2466 2.60 120 18.3605 17.8395 335.5815 2.0647 NA 2.40 [110 GVUK NA 2.20 100 -12M 15.64 -3M -1M 2.70 2.00 13.09 -19.04 17.93 17.30 Price(%chng) Red.Yield (%chng) -4.81 Duration Mod. Duration -21.77 17.90 17.25 18.30 17.75 80 1.80 A SONDJFMAMJ JA CODEAD OYER YIELD CURVE