Inventory-stretch via marketing throttle
The usual question a marketing model answers is "spend more, get more". This is the opposite: stock is running low, the next production run is two weeks away, and the question is how much to slow demand so the shelves don't empty before then.
The reasoning chain
At the current sell-rate, stock hits zero in about 12.5 days — short of the next production run, 14 days out. Cutting daily marketing spend by roughly $93 brings demand down to the 107 units/day the remaining stock can sustain, saving an estimated $1,299 over the gap.
Under the hood
This runs the Solver's logistic saturation curve backwards. Instead of asking "what revenue does this spend produce," it asks "what spend produces this lower demand." The numbers above are precomputed from synthetic inventory data and the real fitted Meta response curve. Nothing here is interactive, by design — the point is to watch the model reason from a supply constraint to a marketing decision, not to hand a visitor sliders they'd have no real basis to set.