The more you process, the more in markups you'll need to pay. Flat rate is a variation on portion markup designs. Rather of charging a portion extra on top of the interchange (which means each card's final expense will be different), flat-…

The more you procedure, the more in markups you'll need to pay. Flat rate is a variation on percentage markup models. Rather of charging a portion extra on top of the interchange (which indicates each card's last expense will be different)…