21. Up until the mid-1980s, the Treasury bill rate was the leading reference rate. 22. Shorter maturity bill rates were also weaker, as were the intermediate term notes. 23. That, it said, might warrant 90-day bill rates at 10 percent until March 1999. 24. Shorter maturity bill rates also performed well down an average of 2 basis points. 25. Shorter maturity bill rates in the secondary market were unchanged. 26. The current Treasury bill rate is just under 5.5 percent. 27. Bill rates , which are most sensitive to prospects for short-term interest rates, did decline.28. The risk adjustment compares a portfolio's return above Treasury bill rates with its volatility. 29. He said the increase in Treasury bill rates has also swollen the debt stock. 30. The three-month T-bill rate fell to 16.928 % on Monday.