Answer all plz

1.Today, a bond has a coupon rate of 11.92 percent, par value of 1,000 dollars, YTM of 4.64 percent, and semi-annual coupons with the next coupon due in 6 months. One year ago, the bonds price was 919.18 dollars and the bond had 15 years until maturity. What is the current yield of the bond today? Answer as a rate in decimal format so that 12.34% would be entered as .1234 and 0.98% would be entered as .0098.

2.One year ago, a bond had a coupon rate of 7.92 percent, par value of $1000, YTM of 10.46 percent, and semi-annual coupons. Today, the bonds price is 912.6 and the bond has 6 years until maturity. What was the current yield of the bond one year ago? The next coupon is due in 6 months. Answer as a rate in decimal format so that 12.34% would be entered as .1234 and 0.98% would be entered as .0098.

3.Six months ago, a bond had a coupon rate of 4.78 percent, par value of $1000, YTM of 10.2 percent, and semi-annual coupons. Today, the bonds price is 1,046.63 and the bond has 8 years until maturity. What was the current yield of the bond six months ago? The next coupon is due in 6 months. Answer as a rate in decimal format so that 12.34% would be entered as .1234 and 0.98% would be entered as .0098.