What Was This Cashier Up To? A Three Cent Discrepancy.
I went to a convenience store. I bought gas at the pump and got a receipt. I then went into the store. They had sodas on sale 2 for 2 dollars. I stood in line with the two sodas. There were two customers in front of me and while I was in line, two customers got in line behind me. While waiting I thought "The tax rate is 8.25% per dollar. The tax on this 2 dollar purchase is 16.5%. Rounding up, the tax should be 17 cents. The total should be $2.17. I'm going to pay with a 20 dollar bill. My change should be $17.83." The cashier rang up my two sodas and said "Two twenty." I handed him a 20 dollar bill and said "From Twenty." While he was making my change, I thought "Wait a minute. The tax rate is 8.25%. The tax should be 16.5%. Rounding up, the tax should be 17 cents. The total should be $2.17. My change should be $17.83." I said "The tax rate is 8.25% here isn't it?" He just looked at me. I said ...