The Wealth of Nations by Part 5 Chapter 1 Page 174

the net revenue, clear of all deductions and military charges, was stated at two millions forty-eight thousand seven hundred and forty-seven pounds. They were said at the same time to possess another revenue, arising partly from lands, but chiefly from the customs established at their different settlements, amounting to four hundred and thirty-nine thousand pounds. The profits of their trade too, according to the evidence of their chairman before the House of Commons, amounted at this time to at least four hundred thousand pounds a year, according to that of their accountant, to at least five hundred thousand; according to the lowest account, at least equal to the highest dividend that was to be paid to their proprietors.

So great a revenue might certainly have afforded an augmentation of six hundred and eight thousand