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The Time Value of Money Book 1. Fundamentals of Financial Management by J.van Horne , Jhon M. Wachowicz Book 2. Engineering Economy by William G. Sullivan, Elin M. Wicks, C.Patrick Koelling Types of Annuities An Annuity represents a series of equal payments (or receipts) occurring over a specified number of equidistant periods. Ordinary Annuity: Payments or receipts occur at the end of each period. Annuity Due: Payments or receipts occur at the beginning of each period. Examples of Annuities Student Loan Payments Car Loan Payments Insurance Premiums Mortgage Payments Retirement Savings 0 1 2 3 $100 $100 $100 (Ordinary Annuity) End of Period 1 End of Period 2 Today Equal Cash Flows Each 1 Period Apart End of Period 3 Parts of an Annuity 3.‹#› Van Horne and Wachowicz, Fundamentals of Financial Management, 13th edition. © Pearson Education Limited 2009. Created by Gregory Kuhlemeyer. 0 1 2 3 $100 $100 $100 (Annuity Due) Beginning of Period 1 Beginning of Period 2 Today Equal Cash Flows Each 1 Period Apart Beginning of Period 3 Parts of an Annuity 3.‹#› Van Horne and Wachowicz, Fundamentals of Financial Management, 13th edition. © Pearson Education Limited 2009. Created by Gregory Kuhlemeyer. FVAn = R(1 + i)n-1 + R(1 + i)n-2 + ... + R(1 + i)1 + R(1 + i)0 R R R 0 1 2 n n+1 FVAn R = Periodic Cash Flow Cash flows occur at the end of the period i% . . . Overview of an Ordinary Annuity – FVA 3.‹#› Van Horne and Wachowicz, Fundamentals of Financial Management, 13th edition. © Pearson Education Limited 2009. Created by Gregory Kuhlemeyer. FVA3 = $1,000(1.07)2 + $1,000(1.07)1 + $1,000(1.07)0 = $1,145 + $1,070 + $1,000 = $3,215 $1,000 $1,000 $1,000 0 1 2 3 4 $3,215 = FVA3 7% $1,070 $1,145 Cash flows occur at the end of the period Example of an Ordinary Annuity – FVA 3.‹#› Van Horne and Wachowicz, Fundamentals of Financial Management, 13th edition. © Pearson Education Limited 2009. Created by Gregory Kuhlemeyer. FVADn = R(1 + i)n + R(1 + i)n-1 + ... + R(1 + i)2 + R(1 + i)1 = FVAn (1 + i) R R R R R 0 1 2 3 n–1 n FVADn i% . . . Overview View of an Annuity Due – FVAD Cash flows occur at the beginning of the period 3.‹#› Van Horne and Wachowicz, Fundamentals of Financial Management, 13th edition. © Pearson Education Limited 2009. Created by Gregory Kuhlemeyer. FVAD3 = $1,000(1.07)3 + $1,000(1.07)2 + $1,000(1.07)1 = $1,225 + $1,145 + $1,070 = $3,440 $1,000 $1,000 $1,000 $1,070 0 1 2 3 4 $3,440 = FVAD3 7% $1,225 $1,145 Example of an Annuity Due – FVAD Cash flows occur at the beginning of the period 3.‹#› Van Horne and Wachowicz, Fundamentals of Financial Management, 13th edition. © Pearson Education Limited 2009. Created by Gregory Kuhlemeyer. Ordinary annuities FVA n = R(1+i) n-1 + R (1+i) n-2 +. . . . . . . . +R(1+i) 1 +R(1+i) 0 FVA n = Rቂ (𝟏+𝒊)) 𝒏 −𝟏 𝒊 ቃ ( R= periodic receipts) Q1. Find the amount of Rs 500 invested each of 4 years at 3% interest compounded annually, if invested at the end of each year. Sol. R= 500 i = 3% = .03 n = 4 years FVAn= R(1+i) n-1 + R (1+i) n-2 + R(1+i) n-3 +R(1+i) n-4 = 500(1+.03) 3 + 500(1+.03) 2 +500(1+.03) 1 +500 = 2091.81 FVAD n = R(1+i) n + R (1+i) n-1 +. . . . . . . . +R(1+i) 1 FVAD n = Rቂ (𝟏+𝒊) 𝒏+𝟏 −𝟏 𝒊 ቃ - R R= periodic receipts Q15. A man set aside Rs200 at the beginning of each year towards a fund for his son’s college education. If the money is invested at 4% per year , how much will he accumulated at the end of 10 ears? Sol. R= 200 n= 10 years i = 4% per year = .04 FVAD n = Rቂ (𝟏+𝒊) 𝒏+𝟏 −𝟏 𝒊 ቃ - R FVAD n = 200ቂ (𝟏+.𝟎𝟒) 𝟏𝟎+𝟏 −𝟏 .𝟎𝟒 ቃ - 200 = 2497.27 Q17. On his fifty first birthday and each third month thereafter Dr Habib invested Rs475 at 4% interest rate compounded quarterly. At the end of his fifty seven year, what was the amount on deposits? Sol. R= 475 i= 4% compounded quarterly = 4 4 % = .01 n= 6 years = 24 (quarterly 6x4)
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