A bond with a 8.5% yield has a duration of 3.7 and is trading at $143. If the yield decreases to 8.2%, the new bond price is closest to:

单项选择题The current price of a bond is $128.3. If interest rate change by 4%, the value of the bond price changes by $2.7 correspondingly. What is the duration of the bond

单项选择题A straight 3% bond bas two years remaining to maturity and is priced at $973.4. A callable bond that is the same in every respect as the straight bond, except for the call feature, is priced at $925.2. With the yield curve flat at 5%, what is the value of the embedded call option