deduction

a reduction in the gross amount on which a tax is calculated; reduces taxes by the percentage fixed for the taxpayer's income bracket

an amount or percentage deducted

something that is inferred (deduced or entailed or implied); "his resignation had political implications"

reasoning from the general to the particular (or from cause to effect)

the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"

the act of reducing the selling price of merchandise