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Glossary term

Numerator change log

A dated record documenting any change to a unit-economics cost numerator definition, including the old and new scope and the recomputation of prior periods, so that cost-per-unit trends stay comparable across quarters.

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T4 / M4.3 / L2 The cost numerator

Start with the bill.

Foundations takes about five hours. The first lesson is nine minutes.

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