Parts markup matrix

Regressive markup by purchase price bracket

Input

PurchaseMarkup
≤ 300 ₴+40%
≤ 1 000 ₴+30%
≤ 3 000 ₴+22%
≤ 10 000 ₴+15%
> 10 000 ₴+10%

Sale price

1 830 ₴

+22% → margin 330 ₴

Standard shop practice is a regressive matrix: cheap parts +30–40%, expensive +10–15%. The customer pays for sourcing, liability and warranty — don't hide the markup, show it in the estimate.