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Multiple Choice
The variables in a present value of a lump sum problem include all of the following, except:
A
Number of Periods (n)
B
Interest Rate (r)
C
Future Value (FV)
D
Periodic Payment (PMT)
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1
Understand the concept of the present value of a lump sum: It refers to the current worth of a single future payment or amount, discounted at a specific interest rate over a given number of periods.
Identify the key variables involved in the calculation of the present value of a lump sum. These include: Number of Periods (n), Interest Rate (r), and Future Value (FV).
Recognize that the formula for the present value of a lump sum does not include Periodic Payment (PMT). The formula is typically expressed as:
Clarify that Periodic Payment (PMT) is a variable used in annuity problems, not in lump sum problems. An annuity involves a series of equal payments made at regular intervals, whereas a lump sum is a single payment.
Conclude that the correct answer is Periodic Payment (PMT), as it is not relevant to the present value of a lump sum calculation.