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预测最佳经济批购量方法,是以货价不变为前提的。但在现实经济生活中,供货单位为了吸引购货单位,有时实行浮动价格,即购货批量不同,价格也有差別,对购货量超过一定数量的,供货单位就给一定的价格优惠。在这种情况下,购货单位就要在经济批购量计算的基础上,计算出包括材料价格在内的总成本,并进行比较,然后确定经济批购量。下面就购货单位如何计算最佳的批购量问题进行探讨。设: Q=每次最佳采购批量 P=一次购货成本 D=全年需要量 S=单位储存保管费例:某工厂年需要材料量7200件,每件材料单价2.5元,每件储存保管费5元,平均每次购货成本500元。购货达1500件时,可得到2％的价格回扣,购货达2500件时,可得到5％价格回扣,问经
The method of forecasting the best economic volume of purchase is based on the premise that the price of goods does not change. However, in the real economic life, suppliers sometimes implement floating prices in order to attract purchase units, that is, different quantities of purchases and different prices. If the purchase volume exceeds a certain amount, the supply unit will give certain price concessions. In this case, the purchaser must calculate the total cost including the material price on the basis of the calculation of the amount of economic purchase, compare it, and then determine the amount of economic purchase. The following discussion discusses how the purchase unit calculates the best purchase volume. Suppose: Q = the time of the best purchase batch P = the cost of one purchase D = the annual demand S = the unit storage and storage costs Example: A factory requires 7200 pieces of material per year, and the price of each piece of material is 2.5 yuan. Fee 5 yuan, the average cost of each purchase 500 yuan. When you purchase 1500 pieces, you get a 2% price rebate. When you purchase 2,500 pieces, you get 5% price rebate.