The bonds have a 9.25 percent coupon and are priced at par, to yield about 105 basis points above the seven-year Treasury note.

An additional $600 million of 12-year senior notes are expected to be priced to yield about 1.25 percentage points above 10-year Treasury securities.

Another was $48 million of floating-rate obligations that yield 50 basis points above the three-month London interbank offered rate and have an average 3.5-year life.

Gore aides say an individual who took part in the program for more than 35 years would yield about $200,000 for retirement over and above Social Security.

Many convertibles are yielding 11 percent to 13 percent these days, substantially above the current yields of money market instruments.

Further processing can yield weapons-grade uranium with U-235 levels usually above 90%, suitable for nuclear weapons.

The third part included $106 million of bonds with an average life of 9.35 years that were priced to yield 97 basis points above a three-month bill.

The securities are priced to yield 57 basis points above the three-month London interbank rate offered, and interest is paid quarterly.

Such cogeneration systems can yield theoretical efficiencies above 95%.