Chapter 7 Tax and Pension Rules, and the Evidence — Where Each Number Comes From

The question How did the site decide our tax and our Social Security? How do we know the rules are right — and what did it not calculate?

The answer Three tabs hold the answer. ③ Tax shows the federal rules applied to your income, with published values and their sources. ④ Pension formulas shows how Social Security changes with claiming age, the required withdrawals from retirement accounts, and the order in which the site assumed you draw money. ⑥ Evidence · checks shows which rules were used, how the engine was tested, and what was left as Unknown, under six named reasons.

7.0 In one line Every number has a rule, a source and a date — and what is missing is named, not hidden.

The full chapter is in the book. The web shows only each chapter's question, answer and one-line summary.