Two different liners for an evaporation pond

beplay体育怎么安装商业经济学

参考号：EM131007707

一名工程师正在考虑将蒸发池的两种不同的衬里，这些池塘将从咸水脱水厂中获得咸浓缩物。最初，塑料衬里的价格为每平方英尺0.90美元，需要在15年内更换，何时必须使用重型设备从池塘中取出沉淀的固体。此拆除将花费$ 500,000。橡胶弹性体衬里更坚固，因此预计将持续30年，但每平方英尺的价格为2.20美元。如果池塘的尺寸为110英亩（1英亩= 43,560平方英尺），则哪个衬里更具成本效益，根据目前的价值比较，每年8％的利率？

参考号：EM131007707

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