Friendly advice... I would slow down the steps so people can understand. I know this stuff very well and had a bit difficulty connecting your steps with all the information that was on the page. I have found that people need some time to soak things up...
If my response helps, please add throw me a kudos.
Jim Kernan is the Director of GMAT Operations at Stratus Prep and author of GMAT Materials for GMAT Prepster.