XYZ corporation would like to raise $25 million to invest in capital expenditures. The company plans to issue five-year bonds with a face value of $1000 and a coupon rate of 4.75% (semi-annual payments). The following table summarizes the yield to maturity for five-year coupon corporate bonds of various ratings:

Rating	AAA	AA	A	BBB	BB
Yield to maturity	6.20%	6.50%	6.75%	6.90%	7.50%

How much total principal amount of these bonds must XYZ issue to raise $25 million today, assuming the bonds are AA rated? (Because XYZ cannot issue a fraction of a bond, assume that all fractions are rounded to the nearest whole number.)