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Supplier B has a $75,000 machine and he figures a cost of $8.45 for the machine and labor at $12 per hour. 供應(yīng)商B的生産部件的機器價值7.5萬，其使用機器成本爲(wèi)美金8.45/小時，人力成本美金12/小時。 www.szrc.net.cn