Ruby is 25 and has a good job at a biotechnology company. She currently has $9200 in the IRA... she believes her RA will grow at an annual rate of 7% and she plans to leave it untouched until age 65. Ruby estimates that she will need $875,000 in her total retirement nest egg by the time she is 65 in order to have a retirement income of $20,000 a year(she expects that Social Security will pay her an additional $15,000 a year).

a) How much will Rubies IRA be worth when she needs to start withdrawing money from it when she retires .