Calculate the duration for the following:
1. A 25-year bond, 2 years to maturity, paying a 11.45% coupon, and ytm of 12.5%.
a. Interest payable annually
b. Interest payable semi-annually
c. Interest payable quarterly
2. A bond with current yield=10.75% on issue date, maturing in 5 years, irr=8.57%.
a. Interest payable annually
b. Interest payable semi-annually
3. A bond issued on april 1, 1970 with 4 years to maturity, paying $127.50 annually, and a required rate of return of 9.23%.
a. Interest payable annually
b. Interest payable semi-annually
4. A bond issued on january 1, 1980, maturing january 1, 1995, with the current appropriate interest rate of 9.4%, paying 10.55% coupon, and it is now january 1, 1993.
a. Interest payable annually
b. Interest payable semi-annually
5. An annual bond with a current price of $1,170.5854, paying coupon of 14.5%, maturing in 5 years.