Answer by
cgroverla (516)
Federal income tax is a tiered system, with current levels of 10, 15, 25, 28, 33 and 35 percent. The rates apply only to taxable income in each tax bracket. For example, income is taxed at 10% up to $8,350, and at 15% from $8,351 to $33,950 for a single taxpayer.