Deduction is a synonym of subtraction. Something that can be deducted or subtracted.
the act or process of deducting
a sound card
After. 401K deductions are done before taxes; that's why 401K distributions are taxed when taken.
Probably the OASDI (FICA) (social security and medicare taxes) all mean the same tax. The maximum social security contribution limit is 6621 No limit on the amount of earned income that is subject to...