II

The trader A in Edinburgh, we shall suppose, draws a bill upon B in London, payable two months after date. In reality B in London owes nothing to A in Edinburgh; but he agrees to accept of A’s bill, upon condition that before the term of payment he shall re-draw upon A in Edinburgh for the same sum, together with the interest and a commission, another bill, payable likewise two months after date. B accordingly, before the expiration of the first two months, re-draws 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 re-draws 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 percent in the year, and the commission was never less than one half percent on each draught. This commission being repeated more than six times in the year, whatever