FA-95787 / Shipping rate zone lookup / Member archive

Ounce tiers: 16 oz priced as ounces · case 02

A parcel of exactly one pound is sold the lightweight ounce price.

Member previewVariant 2 · 3 implementations · 8 checks per implementation

Case contract

Parcels under 16 oz are priced in ounce tiers: ounces rounded up to a whole ounce, tier = ceil(oz/4) capped at 4. 16 oz and above price by pounds = ceil(ounces/16). Zones 1 and 2 share price group 1; zone z >= 3 is group z-1. Return [kind, n, group].

Why this case matters

Lightweight services price by ounce tier before switching to pounds.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
generated mix 66	`["OZ", 4, 1]`	`["LB", 1, 1]`	Failed

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