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Multiple Choice
Which of the following represents the basic present value equation?
A
$PV = FV - (r \times n)$
B
$PV = \dfrac{FV}{(1 + r)^n}$
C
$PV = FV \times (1 + r)^n$
D
$PV = FV \div r$
Verified step by step guidance
1
Understand the concept of present value (PV): Present value is the current worth of a future sum of money or cash flow, given a specific rate of return (r) and time period (n). It accounts for the time value of money.
Identify the correct formula for present value: The basic present value equation is derived from the principle that future value (FV) is discounted back to the present using the formula $PV = \dfrac{FV}{(1 + r)^n}$. This formula accounts for the compounding effect of the interest rate over time.
Break down the formula: In the equation $PV = \dfrac{FV}{(1 + r)^n}$, FV represents the future value, r is the interest rate (expressed as a decimal), and n is the number of compounding periods.
Compare the given options: Analyze each option provided in the problem. The correct formula is $PV = \dfrac{FV}{(1 + r)^n}$, as it properly discounts the future value to the present value using the compounding factor $(1 + r)^n$. The other options do not correctly represent the relationship between PV, FV, r, and n.
Conclude the reasoning: The correct answer is $PV = \dfrac{FV}{(1 + r)^n}$ because it aligns with the fundamental principles of the time value of money and accurately calculates the present value of a future sum.