Use the following S&P 500 companies: Wells Fargo, Capital One, Chase, Citibank, American Express, and to the following.

1- Compare the tax liability of each company to their income tax expense: Review mainly temporary and permanent tax differences, if any, and analyze accounts such as deferred tax liability and assets.

a- Effective tax rate for each company

b- Marginal tax rate for each company

c- Average tax rate for each company

5 pages length.