Which of the following statement(s) is/ are found to be correct? I. The English were granted a Farman by Aurangzeb in 1691, which exempted the British company from paying customs duties in Bengal. II. The Mughal emperor Farukhsiyar, in 1717, granted the English another farman, thus extending the privilege to British in Gujarat and Deccan. III. The British brought silver bullion and copper to pay for transactions, helping the smooth functioning of the Mughal revenue system and increasing the benefits of local artisans and traders.