Answer:
(Fatwa: 902/783=B/1429)
Get a list of your business items prepared and then having evaluated their prices pay the due zakah. It is not sufficient to have an estimation of the items only. Yes, if you overestimate them then it may be allowable.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
