"Enroute to my mother's in Tulsa to celebrate her 78th birthday, stopped for gas, short on time and cash. Prepaid inside with cash and as I was pumping the clerk called to me, approached me and returned a 20 dollar bill to me. I had given him two 20's stuck together. Steven Mangrom, thank you for your honesty. This will come back to you in 1,000 ways. Casey's, if you listening. Steven is an ASSET!!"