President Donald Trump announced Thursday that the U.S. is now implementing reciprocal tariffs with U.S. trade partners.

In most cases, those who make the most money pay a higher percentage in taxes compared to those who make the least.However, some countries use a completely different tax system: a flat tax system.

Nine states are cutting individual income tax rates, and some are shifting toward flat tax rates ... and overall tax fairness. State taxes also influence a state's competitiveness in attracting ...