Anti-Rust Primer 1L

Forecast breakdown

Forecast model

Recent weighted double

(2 × units in the recent half + units in the older half) ÷ (2 × recent days + older days)

Avg daily demand used

2.47 units/day

Avg daily demand (last 30d)

2.67 units/day ▲ trending up

Demand std-dev (per day)

1.49

Units sold in window

221

Lead time

21 days · measured 24 over 2 deliveries — review

Safety stock (10 days × avg)

24.7 units

Reorder point

78.3 units

On order (sent, not yet received)

0 units

Planned events ahead

Trade fair weekend · 2026-11-27–2026-11-29 · +25%

+1.9 units expected over the lead time and cover (in the reorder point and the suggestion)

Suggested order (30-day cover)

0 units

Unit cost

$16.60

Sells at

$36.99 · margin $20.39 (55.1%)

Est. order cost

$0.00

Reorder point = avg daily demand × lead time + safety stock. Estimates come from your own sales history — they are guidance, not guarantees.

Batches

First expiry, first out: what is on the shelf is taken to be the latest-expiring batches, adding up to current stock. Expiring stock