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Valuation of standardized cash flow streams – Chapter 4, Section 4.4 Module 1.4 Copyright © 2013 by the McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill/Irwin
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4-1 4.4 Simplification of Standardized Cash Flow Streams Perpetuity A constant stream of cash flows that lasts forever Growing perpetuity A stream of cash flows that grows at a constant rate forever Annuity A stream of constant cash flows that lasts for a fixed number of periods Growing annuity A stream of cash flows that grows at a constant rate for a fixed number of periods
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4-2 Perpetuity A constant stream of cash flows that lasts forever 0 … 1 C 2 C 3 C
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4-3 Perpetuity: Example What is the value of a British consol that promises to pay £15 every year forever? The interest rate is 10-percent. 0 … 1 £15 2 3
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4-4 Growing Perpetuity A growing stream of cash flows that lasts forever 0 … 1 C 2 C×(1+g) 3 C ×(1+g) 2
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4-5 Growing Perpetuity: Example The expected dividend next year is $1.30, and dividends are expected to grow at 5% forever. If the discount rate is 10%, what is the value of this promised dividend stream? 0 … 1 $1.30 2 $1.30×(1.05) 3 $1.30 ×(1.05) 2
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4-6 Annuity A constant stream of cash flows with a fixed maturity 0 1 C 2 C 3 C T C
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4-7 Annuity: Example If you can afford a $400 monthly car payment, how much car can you afford if interest rates are 7% APR compounded monthly on 36-month loans? 0 1 $400 2 3 36 $400
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4-8 Important note! The perpetuity and annuity formulas that were just covered assume the first cash flow occurs one period from today. Often times, the first cash flow occurs today This is an “annuity due” Often times, the first cash flow might occur further out in the future We need to be able handle these occurrences.
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4-9 What is the present value of a four-year annuity of $100 per year that makes its first payment two years from today if the discount rate is 9%? 0 1 2 3 4 5 $100 $100 $323.97$297.22 4-9
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4-10 Growing Annuity A growing stream of cash flows with a fixed maturity 0 1 C 2 C×(1+g) 3 C ×(1+g) 2 T C×(1+g) T-1
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4-11 Growing Annuity: Example A defined-benefit retirement plan offers to pay $20,000 per year for 40 years and increase the annual payment by 3% each year. What is the present value of this retirement account if the discount rate is 10%? 0 1 $20,000 2 $20,000×(1.03) 40 $20,000×(1.03) 39
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4-12 Growing Annuity: Example You are evaluating an income generating property. Net rent is received at the end of each year. The first year's rent is expected to be $8,500, and rent is expected to increase 7% each year. What is the present value of the estimated income stream over the first 5 years if the discount rate is 12%? 0 1 2 3 4 5 $34,706.26
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4-13 4.5 Loan Amortization Pure Discount Loans are the simplest form of loan. The borrower receives money today and repays a single lump sum (principal and interest) at a future time. Interest-Only Loans require an interest payment each period, with full principal due at maturity. Amortized Loans require repayment of principal over time, in addition to required interest. This is the form of standard car and home loans
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4-14 Pure Discount Loans Treasury bills are excellent examples of pure discount loans. The principal amount is repaid at some future date, without any periodic interest payments. If a T-bill promises to repay $10,000 in 12 months and the market interest rate is 7 percent, how much will the bill sell for in the market? PV = 10,000 / 1.07 = 9,345.79
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4-15 Interest-Only Loan Consider a 5-year, interest-only loan with a 7% interest rate. The principal amount is $10,000. Interest is paid annually. What would the stream of cash flows be? Years 1 – 4: Interest payments of.07(10,000) = 700 Year 5: Interest + principal = 10,700 This cash flow stream is similar to the cash flows on corporate bonds, and we will talk about them in greater detail later.
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4-16 Amortized Loan with Fixed Principal Payment Consider a $50,000, 10 year loan at 8% interest. The loan agreement requires the firm to pay $5,000 in principal each year plus interest for that year. Click on the Excel icon to see the amortization table
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4-17 Amortized Loan with Fixed Payment Each payment covers the interest expense plus reduces principal Consider a 4 year loan with annual payments. The interest rate is 8%,and the principal amount is $5,000. What is the annual payment? 4 N 8 I/Y 5,000 PV CPT PMT = -1,509.60 Click on the Excel icon to see the amortization table
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4-18 Alternatively without using calculator functions: Consider a 4 year loan with annual payments. The interest rate is 8%,and the principal amount is $5,000. What is the annual payment? We solve for C by re-arranging our annuity formula:
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4-19 Two more financial planning questions to finish module… Q1: How much do I need to save each month to have $3 million when I retire in 25 years at a rate of 12% APR compounded monthly? We can solve this a couple of ways: First, find PV of $3 million, and then solve for annuity payment that gives the same PV. OR Directly solve for annuity payment that gives a FV of $3 million (need FV of annuity formula)
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4-20 Solving using first method First, solve for PV of $3 million: Monthly r =.12/12 =.01; periods=12*25=300 PV = $3,000,000/(1.01) (300) = $151,603 Now, find monthly annuity payment that gives us the same PV Recall PV of Annuity: 151603=C/.01[1-1/(1.01) (300) ] 151603(.01)/[.9495] = C C=$1,597
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4-21 Solving using second method Recall PV of Annuity: So FV of Annuity = Note that the equation for the FV of an annuity is just the PV of annuity formula multiplied by (1+r) T !
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4-22 Now, solving using second method: FV = $3,000,000 3000000 = C/.01[0.9495](19.7885) 3000000 = C(1878.91) C = $1,597 per month Important: You have a new formula for the FV of an annuity, and hopefully you see the logic that caused the answers to be the same
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4-23 Last example… Q2: How long will it take you to accumulate $4 million if you save $2000/month at 12% APR compounded monthly? Now, we need to use PV equations, but solve for time.
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4-24 Annuity equations re-arranged for time PV of annuity re-arranged for time: FV of annuity re-arranged for time:
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4-25 Now we can solve… Using the second equation on the prior slide T = ln((3000000*.01)/2000 +1) /ln(1.01) T = ln(16)/ln(1.01) T= 2.7726 /.00995 T = 278.64 months or 23.22 years.
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4-26 In the next module, we will build spreadsheets that make these calculations much quicker!
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