Math Problem Statement
Suppose the interest rate is 6.9 % APR with monthly compounding. What is the present value of an annuity that pays $ 90 every six months for seven years? (Note: Be careful not to round any intermediate steps less than six decimal places.)
Solution
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Math Problem Analysis
Mathematical Concepts
Annuity
Compound Interest
Time Value of Money
Formulas
Present Value of an Annuity: PV = P × (1 - (1 + r)^(-n)) / r
Semi-annual Interest Rate: r = (1 + monthly rate)^6 - 1
Number of Periods: n = (Years × 12 months) / 6 months per period
Theorems
Compound Interest Formula
Suitable Grade Level
College Level (Introductory Finance or Business Mathematics)
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