Delfina wants to keep her weekly allowance of $10 safe. She created the chart shown to help her decide where to keep her money. If she wants to earn money on her savings, what should she do?
A. She should put all of her savings in her piggy bank, just in case she needs to use it.
B. She should save all of her allowance in her piggy bank for 1 year, and then open a money market account.
C. She should put her money in her piggy bank for 3 weeks, and then open a savings account. Then she can make deposits to that account.
D. She should open a checking account at her local bank.