5292/6000=0.8
定價$6,000*(1-商業折扣10%)=實際銷售金額$5,400實際銷售金額$5,400*(1-折扣條件?%)=收現$87,300
?%=2%
45. 賒銷商品,訂價$6,000,商業折扣 10%,若於 10 天內收現$5,..-阿摩線上測驗
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