a-As market rates rise, prepayment speed _______, while modified duration _________.

Fill in the blanks the appropriate term using the random list only: Is unaffected, accelerates, lengthens, shortens, and slows

b- The larger the investor's ____ relative to the ____, the larger the ____ of a bond with a particular par value.

Fill in the blanks the appropriate term using the random list only: Discount rate, required rate of return, discount, and premium.