May I suggest that you determine your math from SEC reported numbers rather than Yahoo.
Also, one time quarterly adjustments may not reflect annual results. However, I agree that these are perilous, dangerous financial times in our economy that will not be quickly corrected. This situation has been enabled by the Congress repeal of the Glass-Steagall Act of 1933, by Senate Bill S.900 on November 12, 1999. Good wishes for safe, successful investing.