Scrap rate
Also called Waste rate, Reject rate
The proportion of units made that could not be sold, usually because they failed a check.
Scrap is the part of yield loss that is countable at the unit level: short fills, damaged cans, mislabelled packs, product held and then rejected by quality. Unlike processing loss it usually has an identifiable cause and a specific moment.
Recording it against the batch rather than as a monthly total is what makes it useful. A two per cent scrap rate spread evenly is a cost of doing business; the same two per cent concentrated in the first hour of every run is a setup problem worth fixing.
Like all yield loss, the cost lands on the units that survived, so it belongs in cost per unit rather than in a separate waste line nobody looks at.
NextBatch keeps this straight for you. Cost per unit, tolling tiers, yield and traceability all derive from the same plan you and your co-manufacturer share — so none of it is a number somebody typed twice.
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