50% cash in advance payment
50% cash payment by the completion of the work
demis aba, dogru, ama cash deyince nakit para akla gelebilir. boyle islerde check, credit de ise girdigi icin, "cash" kullanmasak da olur.
50% of the total amount in advance payment with the purchase order confirmation for material procurement
50% of the payment by the completion of the work( demek belki daha iyi olur. )
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