Portfolio A consists of a one-year zero-coupon bond with a face value of $2,500 and a 10-year zero-coupon bond with a face value of $6,500. Portfolio B consists of a 5.95-year zero-coupon bond with a face value of $5,000. The current yield on all bonds is 10% per annum (continuously compounded).

1. The duration of Portfolio A is equal to __________ ( answer)
2. The percentage change for a 0.5% per annum increase in yield for Portfolio A will _________ ( answer) the value
3. The percentage change for a 0.5% per annum increase in yield for Portfolio A will change the value by ________ (answer)
4. The percentage change for a 3.5% per annum increase in yield for Portfolio B will ___________ ( answer) the value
5. The percentage change for a 3.5% per annum increase in yield for Portfolio B will change the value by _________ ( answer)