With that argument you could be loosing fractions of cents even today! Why don't we have coins for fractions of cents? round(total price + tax) is the obvious

With that argument you could be loosing fractions of cents even today! Why don't we have coins for fractions of cents? round(total price + tax) is the obvious solution to this. If you gain or loose 3 cents in the round off who cares. Here is how other countries solved this ages ago https://en.m.wikipedia.org/wiki/Cash_rounding https://en.m.wikipedia.org/wiki/Cash_rounding