Elise has been selling her Dad’s collection of 250 books for three years. Each book sells at 20$, and she sold twice as many books in the first year as she has sold in the current year. There are c…👇

Elise has been selling her Dad’s collection of 250 books for three years. Each book sells at 20$, and she sold twice as many books in the first year as she has sold in the current year. There are currently 50 unsold books, and her sales number this year is 5715521. What’s the total amount of money she earned in the second year?