Your aunt has $270,000 invested at 5.5%, and she now wants to retire. She wants to withdraw $45,000 at the beginning of each year, beginning immediately. She also wants to have $50,000 left to give you when she ceases to withdraw funds from the account. For how many years can she make the $45,000 withdrawals and still have $50,000 left in the end? O a. 6.30 years O b.5.89 years O c. 5.97 years O d. 4.89 years O e. 7.01 years