$SING The revenue opportunity for banks is difficult to overstate. According to CardFellow, the average credit card processing cost for a retail business ranges from 1.95% to 2.50%. A 2% transaction fee on $50 billion in revenue could create a $1 billion market for credit card processing alone. These numbers could be even higher if cannabis remains a high-risk product, which can justify much higher credit card processing fees than those standard rates.

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