1.A bond with a face value of $1000 has an annual coupon rate of 6 percent and 3 years to maturity. It has a yield to maturity of 8 percent. What is the semi-annual duration and modified duration of this bond?

2.Face value of the bond = $1000, Annual Coupon Payment = 10%, Maturity = 20 years, YTM = 15% annually, Annual Reinvestment Rate = 12%, what would be the Semi-annual Realized Compound Yield of this bond?