43. Consider an 18-month, 8 percent coupon (paid semiannually) Treasury note selling at par. If interest rates increase by 20 basis points (i.e., R = 20 basis points), use the duration approximation to determine the approximate price change. a. $0.000. b. -$0.2775 per $100 face value. c. $2.775 per $100 face value. d. $0.2672 per $100 face value. e. $2.672 per $100 face value.

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