ocr: INTEREST RATES: 1970TO 1992 PERCENT PER ANNUM PERCENT PER ANNUM 20 20 CONVENTIONAL PRIME RATE NEW HOME CHARGED BY 15 MORTGAGE RATE 15 BANKS - - - 10 L - - - - - - - I 10 - - A A - - - ) TREASURY BILLS FEDERAL RESERVE - MOS.) DISCOUNT RATE, HIGH FORYEAR 1970 1975 1980 1985 1990 1995 1970 1975 1980 1985 1990 1995