In the UK, the big supermarket Tesco were criticised heavily for how they charged their suppliers for various things: https://www.theguardian.com/business/2015/

In the UK, the big supermarket Tesco were criticised heavily for how they charged their suppliers for various things: https://www.theguardian.com/business/2015/mar/30/tesco-reduces-charges-imposed-suppliers-after-accounting-scandal https://www.theguardian.com/business/2015/mar/30/tesco-reduc...