I would need to know the book, and what page you are on, please state in the coments
Answer: It depends on where you have it invested and inflation.
Explanation: It could be invested in a bank where it earns less than in a stock or bond or fund. It would also depend on how the economy is doing and whether the value of the US Dollar goes up or down in relation to the other world currencies.
Franciso Pizarro conquered the Incan empire