By Pat Southern. Last updated 2011-03-29. Of the many men who led Rome, only a handful can truly be said to have profoundly and fundamentally shaped the empire's structure and direction. This gallery introduces six of the most important Roman emperors.
Tax Liability. The amount of total tax due the IRS after any credits and before taking into account any advance payments (withholding, estimated payments, etc.) made by the taxpayer.
With a total tax liability of $90,000, the company with $500,000 in revenue pays an 18% effective tax rate, while the company with $360,000 in income pays a total income tax bill of $55,000, making its effective tax rate only 15.2%.