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334 points andrewl | 1 comments | | HN request time: 0s | source
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MrHeather ◴[] No.45902076[source]
>But with 20 million customers a year, and 17% of them paying with cash, the policy will eventually cost Kwik Trip a couple of million dollars a year, McHugh said.

If we figure two-fifths of cash transactions need to be rounded up and the store is losing an average of 1.5 cents each time, their expected losses would be around $2,000, yeah?

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1. patch_collector ◴[] No.45902230[source]
20m customers * 17% * 4 cents * 'x' transactions per customer = $136,000 * x

I suppose this makes some sense. In a worst case situation, if every customer makes 10-20 transactions per year, and they always round down the maximum possible amount, they would lose millions per year.