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.
The portion of your benefits you are taxed on depends upon your income. The Internal Revenue Service sets limits for calculating tax liability every year. In 2015, you will pay income taxes on up to 50% of your benefits if you are filing as an individual with combined income between $25,000 and $34,000.