A 36% margin became 6% at month-end, and nothing was posted wrong

I built a small manufacturing company end-to-end inside an SAP S/4HANA sandbox — one plant, one product, one month — specifically to watch what the month-end close does to a margin that looks healthy at billing time. Every number below comes from an actual document in that system. At billing, t...

Source: [Dev.to](https://dev.to/_705cc6dba923dce49293c/a-36-margin-became-6-at-month-end-and-nothing-was-posted-wrong-56b1)