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Ruby is 25 and has a good job at a biotechnology company. She currently has $12,000 in an IRA, an important part of her retirement nest egg. She belleves her IRA will grow at an annual rate of 8 percent, and she plans to leave it untouched until she retires at 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 retirement income of $20,000 a year (she expects that Social Security will pay her an additional $15,000 a year). Using Exhiblit 1.A. Exhibit 1-8, Exhibiti.C. Exhibit 1-D, answer the following questions. a. How much will Ruby's IRA be worth when she needs to start withdrawing money from it when she retires? (Round discount factor to 3 decimal places and final answer to the nearest whole dollar.) b. How much money will she have to accumulate in her company's 401(k) plan over the next 40 years in order to reach her retirement income goal? (Round discount factor to 3 decimal places and final answer to the nearest whole dollar.) Exhibit 1-A Future Value (Compounded Sum) of \$1 after a Given Number of Time Periods Exhibit 1-B Future Value (Compounded Sum) of \$1 Paid In at the End of Each Period for a Given Number of Time Periods (an Annuity) Exhibit 1-C Present Value of $1 to Be Received at the End of a Given Number of Time Periods Exhibit 1-D Present Value of \$1 Received at the End of Each Period for a Given Number of Time Periods (an Annuity)