Kalkuleta darajar zinariya

Shigar da farashin zinariya tsantsa da kanka; babu farashi kai tsaye. Ƙimar ƙarfe kaɗai ake kiyastawa; haraji, gwaji da ƙarin kuɗin dillali ba su shiga kai tsaye. Ana zagaye ƙima zuwa desimal biyu, rabin sama.

G ≈ W × p ÷ 100 × R; N = G − F