[問題] 買一送一的價錢問題
其實我有點搞不清楚,買一送一的杯扣到底是怎麼算?
假設我今天買了兩杯,一杯有用隨行杯,分別是:
那提多一個shot ($125) + 經典熱巧克力 ($125) (兩杯皆為Grande)
那買一送一皆以高價那杯算錢的話,
是說會先扣掉杯扣的10元,所以是115跟125,以125計???
還是說兩杯同價就以125計,再扣杯扣10元,以115計 ???
另個疑問其實同上,
假設兩杯是不同價格的話,都會以最後需付的金額再扣掉杯扣囉?
謝謝回答。
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