Hello. You did not enter the text to which this question refers, which makes it difficult for your question to be answered. However, while researching, I was able to find a question like yours and I realized that your question refers to "The Adventures of Tom Sawyer" written by Mark Twain.
Answer:
According to Twain Tom became rich after finding a treasure and investing it.
Step-by-step explanation:
"The Adventures of Tom Sawyer" is one of Twain's great works and addresses the adventures of Tom and his friend Huck, which are full of mischief and conflict, where topics such as friendship, companionship and trust are discussed.
At the end of the book, Tom managed to find a treasure of twelve thousand dollars. This has already made you rich enough. He shares that money with his friend, Huck. Both he and Huck invest that money in the city bank and get an interest rate of 6%, which increases their fortune to the point of letting them "roll in wealth", since this interest allows them to earn a dollar a day.