15. 4 years ago, you invested $1,100 in a 10-year savings account at bank A that has a 20% penalty on early withdrawals. Today, you found that bank B offers twice the rate that bank A was offering. You decide to withdraw the money and invest all the proceeds $1,600 (amount after applying the penalty) - in bank B's savings account. How much money will you have after 6 years? a) $2,085.48 b) $2,500.16 c) $8,556.99 d) $9,724.84 e) None of the above