Which method of Zakat extraction from oil-bearing olives is preferable?

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Taking the Zakat from the oil after extraction is preferable because it alleviates the burden (support/cost) for the poor, making it superior, analogous to drying dates instead of taking wet dates. Furthermore, taking it from the oil reflects the state of completion and storage, mirroring the estimation of fresh dates while they are moist, and Zakat is also taken when they dry.