某商场采用毛利率法计算期末存货成本。本月初体育用品结存150 000元,本月购入400 000元;实现销售收入370 000元,另发生销售退回和折让20 000元。上月该类商品的毛利率为25%,则本月末库存商品成本为( )
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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