The 9 percent notes, which have a final maturity in 1993, have an average life of three years.

The term of such a bond would therefore extend to its final maturity.

The notes have a final maturity of Sept. 15, 1999.

The notes have a final maturity in 2007 at a price of 99.80, yielding 9.452 percent to 1990.

The notes have an estimated average life of 2.05 years and a final maturity in 1993.

Interest rates on the notes, with a final maturity of May 15, 2008, will be reset in four years.

The securities have a final maturity of April 10, 1996.

Principal payments will be determined by the price of gold at final maturity.

The securities have an average life of about 1.8 years, and a final maturity in 1992.

The notes, which have a final maturity of Sept. 22, 1992, were priced at 100.