6. Solve the problenm Amanda wants to retire in 15 years. At that time she wants to be able to withdraw $2,500 at the end of each month for 20 years. Assume that money earns 10% per year compounded monthly. To the nearest dollar, what lump sum will Amanda need to deposit now so that she can start making her $2,500 withdrawals 15 years from now? (Hint: Assume 10% interest rate per year for all time periods.) A) $58,165 B) $59,105 C) $62,017 D) $60,060