Tax Taxonomy: Definition, Classification & Terminology

CRA for GST/HST etc. Tax Base. ... RRSP is a deduction. Logic is that since you pay tax on the money when you take it out, should be a deduction when it goes in. But inequality arises: higher income earners get a much bigger advantage in deduction, because tax savings come off the top – save based on highest marginal rate at which you pay tax ... ................
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