An investor wants to find the duration of a(n) 10-year, 5% semiannual pay, noncallable bond that's currently priced in the market at $641.49, to yield 11%. Using a 150 basis point change in yield, find the effective duration of this bond (Hint use Equation 11.11). The new price of the bond if the market interest rate decreases by 150 basis points (or 1.5%) is $(Round to the nearest cent.)