The Wealth of Nations by Part 5 Chapter 1 Page 173

their debts, which were at this time estimated at upwards of six or seven millions sterling. In 1769, they renewed their agreement with government for five years more, and stipulated that during the course of that period they should be allowed gradually to increase their dividend to twelve and a half per cent; never increasing it, however, more than one per cent in one year.

This increase of dividend, therefore, when it had risen to its utmost height, could augment their annual payments, to their proprietors and government together, but by six hundred and eight thousand pounds beyond what they had been before their late territorial acquisitions. What the gross revenue of those territorial acquisitions was supposed to amount to has already been mentioned; and by an account brought by the Cruttenden East Indiaman in 1768,