my business model allows for higher chargeback ratio, consumers are warned about it in T&C, no rip off there, 28% was at the ecnd of the life cycle of that merchant account ,it came to this number gradually, at first it was much lower. We use high risk merchant accounts︀ for majority of our transactions but for the rest we need to obtain a traditional︁ merchant account. Many such accounts allow for a gradually growing CBs over a month or︂ two period before they terminate the account or freeze it