Engineering Economy Ch. 4.2

Engineering Economy Ch. 4.2 - Chapter 4-2 Example 4.5 How...

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Chapter 4-2 Example 4.5 How much is needed today to provide an annual amount of $50,000 each year for 20 years, at 9% interest each year? P =? P = $50,000 (P/A, 9%, 20%) P = $50,000(9.1285) P = $456,427 Example 4.6 IF you had $500,000 today in an account earning 10% each year, how much could you withdraw each year for 25 years A = $500,000 (0.1102) A= $55,100 Example 4.7 How much will you have in 40 years if you save $3,000 each year and your account earns 8% interest each year? F = $3,000(F/A, 8%, 40) F = $3,000(259.0565) F = 777,170 Example 4.8 How much would you need to set aside each year for 25 years, at 10% interest, to have accumulated $1,000,000 at the end of the 25 years? A = 1,000,000 (A/F, 10%, 25) A = 1,000,000(0.0102)
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Exercise 4.6 p/A Exercise 4.7 A = 225,000(A/P,15%,4) A = 225,000(0.35037) A = $78,811 Exercise 4.8 A = 250,000(A/F,9%,3) A = 250,000(0.30505) A = $76,264 Exercise 4.9 F = (100,000 + 125,000)(F/A,15%,3) F = 225,000(3.4725) F = $781,313 Exercise 4.10
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This note was uploaded on 11/30/2010 for the course ISE 2014 taught by Professor Cpkoelling during the Spring '07 term at Virginia Tech.

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Engineering Economy Ch. 4.2 - Chapter 4-2 Example 4.5 How...

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