Last quarter we picked the bottom 10% of active customers by spend and sent them a spend-and-save coupon. This quarter their average spend went from $200 to $260, up 30%. Marketing wants to roll it out bank-wide and asks you to sign off on the impact. Would you?

上季度我们挑出消费最低的10%活跃客户发了满减券，这季度他们人均消费从200涨到260美元，涨了30%。市场部想全行推广，让你签字确认效果。你签不签？