Quark happily accepts—and then discovers the Nagus is not the profit-making whiz he once was. By day's end, the Ferengi market exchange has experienced a drastic slide due to the Nagus's failing memory.
Quark gladly accepts—and then finds out that the Nagus is not as profitable and skilled as he once was. By the end of the trading day, the Ferengi market exchange has fallen sharply due to the Nagus's forgetfulness.