WTF (What the Finance) is a Roth 401(k)?

More and more employers are making the Roth option available in their 401(k), 403(b), and 457 plans.   What does this mean?   Well, the default contribution to retirement plans has always been tax-deferred.  Meaning, you are legally hiding income for the current year, enjoying paying no taxes on the dividends and capital gains on…