If you cheat a little at the grocery self-checkout are you a bad person?

There were some really nice Braeburn apples but they were $3.99/lb, I refuse to pay more than $1.99/lb for any fruit except berries. So at the self-checkout I punched the button for Red Delicious apples which are $1.69. Am I a horrible person or does pretty much everyone cheat once in a while?
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