Until April 2002, they offer a yield of 4.07 percent.
Yields offered by money market funds were down last week.
But they had to offer higher yields to get it sold.
Another good reason for trying new varieties is that they offer higher yields.
Yields offered by money market mutual funds were up for the week.
First, these sectors offer higher yields than those in the Treasury market.
The market is offering yields that have not been available for the last two years.
Other serial bonds offered higher yields of up to 6.70 percent in 1997.
Last week, they offered an average tax-free yield of 4.44 percent.
The yields offered on deposits at large credit unions were down for the week.