Revenue can look healthy while a SKU is quietly draining cash. In the P&L module of the Academy of Business Negotiations, Ken Trent treats contribution profit as the soft bottom line: what a product or relationship contributes after every direct cost is accounted for.
If you cannot see that number, you are negotiating on the wrong scoreboard. Retail buyers already live here. Vendors who stay in revenue and margin percentages often talk past the real issue.
What contribution profit actually measures
Contribution profit sits between gross margin and EBITDA. Gross margin still mixes in noise. Shared overhead can hide a weak SKU behind a strong category. Contribution profit strips that away. It shows how this product, this vendor, or this deal performs on its own, after the costs tied directly to it.
Ken’s point is blunt: the percentage is not the payout. Dollars are. A thin margin SKU at high volume can still drop real contribution profit. A strong margin SKU at tiny volume can fail to cover the work of keeping it alive.
Speak the buyer’s scoreboard
When a retailer says this product is not working, they often mean contribution profit dollars are not where they need them. If you only defend revenue or a headline margin, you are arguing a different metric than the one driving their decision.
That changes the conversation. Instead of fighting a price cut on principle, you can ask which costs are eating the contribution, then trade on freight, terms, mix, or promotional support that repairs the dollar outcome without wrecking the relationship.
Run every proposal to dollars
Before the next meaningful call, know your contribution profit position on the SKUs in play. Then translate their proposal into the same units. Extra volume that adds units at a loss is not a win. A smaller package that drops more contribution profit dollars is.
Practical takeaway: Calculate contribution profit dollars on the items in this deal, then negotiate to that number, not to a prettier percentage.
Want the framework behind this? Download the free 5 Laws of Negotiation ebook: 5laws.negotiationsacademy.com
