Math Problem Statement
Your younger sister, Linda, will start college in five years. She has just informed your parents that she wants to go to Hampton University, which will cost $41,000 per year for four years (cost assumed to come at the end of each year). Anticipating Linda’s ambitions, your parents started investing $6,100 per year five years ago and will continue to do so for five more years. Use 11 percent as the appropriate interest rate throughout this problem (for discounting or compounding).
How much will your parents have to save each year (A?) for the next five years in addition to the $6,100 they are currently saving to have the necessary funds for Linda's education? Use Appendix C and Appendix D for an approximate answer, but calculate your final answer using the formula and financial calculator methods.
Solution
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Math Problem Analysis
Mathematical Concepts
Time Value of Money
Present Value of Annuities
Future Value of Annuities
Compounding Interest
Formulas
Present value of annuity: PV = C × [(1 - (1 + r)^-n) / r]
Future value of annuity: FV = P × [(1 + r)^n - 1) / r]
Theorems
Annuity Theorem
Compound Interest Theorem
Suitable Grade Level
College-Level Finance
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