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LTL breaks: minimum charge skipped · case 02

Small shipments are billed below the lane minimum.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Weight breaks 0, 500, 1000, 2000, 5000, 10000 lb with cents-per-cwt rates for the lane. Weight rounds up to a whole lb (min 1) and is rated at its break: ceil(w * rate / 100). Deficit rating: if billing any heavier break minimum at that break rate is strictly cheaper, use the cheapest such. Charge is at least min_charge. Return [charge, break index, rated weight].

Why this case matters

LTL lane rates use weight breaks with deficit weight rating.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
generated mix 31	`[4200, 0, 100]`	`[9000, 0, 100]`	Failed

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