The Wealth of Nations by Part 2 Chapter 2 Page 79

months, redraws this bill upon A in Edinburgh; who again, before the expiration of the second two months, draws a second bill upon B in London, payable likewise two months after date; and before the expiration of the third two months, B in London redraws upon A in Edinburgh another bill, payable also two months after date. This practice has sometimes gone on, not only for several months, but for several years together, the bill always returning upon A in Edinburgh, with the accumulated interest and commission of all the former bills. The interest was five per cent in the year, and the commission was never less than one half per cent on each draft. This commission being repeated more than six times in the year, whatever money A might raise by this expedient must necessarily have, cost him something more than eight per cent in the year, and sometimes a great