Given the following information, what is the percentage change in the price of the bonds if interest rates suddenly rise by 2%?

(Please show your work as I am attempting to work out similar problems in excel.)

Wing Air Inc.
Coupon rate	7%
Settlement date	1/1/2000
Maturity date	1/1/2002
Face value	1,000
# of coupons per year	2
Airfoil, Inc.
Coupon rate	7%
Settlement date	1/1/2000
Maturity date	1/1/2015
Face value	1,000
# of coupons per year	2
Change in interest rate	2%