I have a cash back credit card. Companies pay a fee to do credit card transactions. Everything in the store costs the same if I use a credit card or cash. The c

I have a cash back credit card. Companies pay a fee to do credit card transactions. Everything in the store costs the same if I use a credit card or cash. The company raises the price to cover transactions, I get that transaction fee paid back to me by my rewards card. Essentially, people who pay cash or use non rewards cards are paying for my credit card transactions.