4 9.) (Sections 58-3 and 58-5) Audrey is taking a different approach to her retirement. At the age of 20, she wants to start saving now. She plans on depositing money each month into a mutual fund that historically grows at a rate of 9.4%, compounded monthly. She would like to stop working when she's 60 years old, roll the money over to a more secure account that offers 2.5% interest, compounded monthly. She figures that in retirement, she'll need $4,600 each month to live off of. She would like to withdraw that money each month until she is 90 years old. Given this situation, how much will Audrey need to deposit into her initial account while she's working? 10.) (Sections S8-3 and 58-5) How much interest will Audrey have earned from these accounts from the time she starts saving until she's 90 years old? 3