tokens: COMMERCIAL PAPER placed directly by General Motors Acceptance Corp. : 8.55 % 30 to 44 days ; 8.25 % 45 to 59 days ; 8.45 % 60 to 89 days ; 8 % 90 to 119 days ; 7.90 % 120 to 149 days ; 7.80 % 150 to 179 days ; 7.55 % 180 to 270 days .