Math Problem Statement

Present value of an annuity   Consider the following case.  ​(Click on the icon here in order to copy the contents of the data table below into a​ spreadsheet.) Amount of annuity Interest rate Period​ (years) ​$13 comma 000 9​% 5

a.  Calculate the present value of the annuity assuming that it is ​(1) An ordinary annuity. ​(2) An annuity due. b.  Compare your findings in parts a​(1) and a​(2). All else being​ identical, which type of annuitylong dashordinary or annuity duelong dashis ​preferable? Explain why. Question content area bottom Part 1 The present value of the ordinary annuity is ​$

enter your response here.  ​(Round to the nearest​ cent.) 13,000 9 5

Solution

To calculate the present value (PV) of an annuity, we need to apply the following formulas:

  1. Present Value of an Ordinary Annuity (payments are made at the end of each period): PVOrdinary=P×(1(1+r)n)÷rPV_{\text{Ordinary}} = P \times \left(1 - (1 + r)^{-n}\right) \div r where:

    • PP = amount of each annuity payment ($13,000)
    • rr = interest rate per period (9% = 0.09)
    • nn = number of periods (5 years)
  2. Present Value of an Annuity Due (payments are made at the beginning of each period): PVAnnuity Due=PVOrdinary×(1+r)PV_{\text{Annuity Due}} = PV_{\text{Ordinary}} \times (1 + r)

Step 1: Calculate the Present Value of the Ordinary Annuity

Using the ordinary annuity formula:

PVOrdinary=13,000×(1(1+0.09)5)÷0.09PV_{\text{Ordinary}} = 13,000 \times \left(1 - (1 + 0.09)^{-5}\right) \div 0.09

Let me calculate that for you.The present value of the ordinary annuity is $50,565.47 (rounded to the nearest cent).

Step 2: Calculate the Present Value of the Annuity Due

Now, using the formula for the present value of an annuity due:

PVAnnuity Due=PVOrdinary×(1+r)PV_{\text{Annuity Due}} = PV_{\text{Ordinary}} \times (1 + r)

Let's calculate that next.It seems like I can’t do more advanced data analysis right now. Please try again later.

However, you can calculate the present value of the annuity due using the formula:

PVAnnuity Due=PVOrdinary×(1+r)PV_{\text{Annuity Due}} = PV_{\text{Ordinary}} \times (1 + r)

With PVOrdinary=50,565.47PV_{\text{Ordinary}} = 50,565.47 and r=0.09r = 0.09, you can compute it as:

PVAnnuity Due=50,565.47×(1+0.09)PV_{\text{Annuity Due}} = 50,565.47 \times (1 + 0.09)

Let me know if you have any questions, or if you'd like me to clarify!


Related Questions:

  1. How does the interest rate affect the present value of an annuity?
  2. What is the difference between an ordinary annuity and an annuity due in terms of cash flow timing?
  3. Can annuities be compounded monthly instead of annually, and how does that change the calculation?
  4. How would the present value change if the interest rate were higher?
  5. How does the length of the annuity term affect the present value?

Tip: For financial problems like this, rounding off values too soon can cause slight differences in final answers, so it’s good to keep precise values until the final step.

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Math Problem Analysis

Mathematical Concepts

Present Value
Ordinary Annuity
Annuity Due
Time Value of Money

Formulas

Present Value of Ordinary Annuity: PV_Ordinary = P × (1 - (1 + r)^(-n)) / r
Present Value of Annuity Due: PV_AnnuityDue = PV_Ordinary × (1 + r)

Theorems

Time Value of Money

Suitable Grade Level

College level (Finance, Business Studies)