from bankrate:
Mar. 2012$1,909.66 $576.33 $1,333.33 $1,333.33 $399,423.67
April 2012$1,909.66 $578.25 $1,331.41 $2,664.75 $398,845.42
May 2012$1,909.66 $580.18 $1,329.48 $3,994.23 $398,265.25
June 2012$1,909.66 $582.11 $1,327.55 $5,321.78 $397,683.14