Net Needed — 5★ reviews/ratings that must be accepted to reach the target average.
Sign-up — total submitted so enough survive filtering (Net ÷ Success %). What you pay for.
Success % — share Amazon accepts; the rest are filtered out, so we plan for more.
Review:Sales Cap % — daily additions as a % of organic sales, to keep velocity natural.
Max/Day — safe additions per day = Cap % × Daily Sales.
Max/Mo — safe additions per month = Max/Day × 30.4.
Days — time to complete at the safe pace = Sign-up ÷ Max/Day.
Ratings Mix % — split of star-only ratings vs written reviews (100% = all ratings).
Invoice — cashflow billed to the client: rebate + fees, before Amazon money-back.
Net Cost — actual cost = Invoice − money back from Amazon when units sell.