Now, you can find my case analysis of Nike.INC: Cost of Capital on my blog as follows:
http://emfps.blogspot.com/2011_06_12_archive.html
-This case can be a complex case in which we can doubt about sensitivity analysis done by Kimi Ford (portfolio manager) too.

-Which method is to calculate cost of debt better than others?
Best Regards
Gholamreza Soleimani