Cause. Hives can also be classified by the purported causative agent. Many different substances in the environment may cause hives, including medications, food and physical agents. In perhaps more than 50% of people with chronic hives of unknown cause, it is due to an autoimmune reaction. Medications
The average American pays almost 30% of their income to taxes. Here's the breakdown. According to the IRS's preliminary data from the 2015 tax year (the returns you filed during 2016), there was a total of $1.454 trillion in income tax owed, which translates to an average effective federal income tax rate of about 13.5% per return.
The US has the worldâs highest corporate tax rate. That has some big firms going abroad for bargains. The United States has the worldâs highest corporate income tax rate at up to 35 percent. Japan recently lowered its corporate tax rate to 30 percent, and some US companies are moving operations to countries with lower rates such as Ireland, where the corporate tax rate is 12.5 percent.