美代一的单据,总美金数3486.79usd,汇款收据显示4433.45+11.48+30=4474.93sgd,rates=1.2834
邮费为162.37usd,根据汇率得到208.39sgd
按照小钱包1unit,大钱包1.5unit,手包2units,小handbag 4units,大handbag 6units分摊邮费吧,今晚下班回家清点,晚上出按ID账单