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Contemporary Engineering Economics, 4 th edition, © 2007 Capital Budgeting Decisions Lecture No. 63 Chapter 15 Contemporary Engineering Economics Copyright.

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Presentation on theme: "Contemporary Engineering Economics, 4 th edition, © 2007 Capital Budgeting Decisions Lecture No. 63 Chapter 15 Contemporary Engineering Economics Copyright."— Presentation transcript:

1 Contemporary Engineering Economics, 4 th edition, © 2007 Capital Budgeting Decisions Lecture No. 63 Chapter 15 Contemporary Engineering Economics Copyright © 2006

2 Contemporary Engineering Economics, 4 th edition, © 2007 Example 15.11 Four Energy Saving Projects under Budget Constraints (Budget Limit = $250,000) ProjectInvestmentAnnual O&M Cost Annual Savings (Energy) Annual Savings (Dollars) IRR 1$46,800$1,200151,000 kWh$11,77815.43% 2104,8501,050513,077 kWh40,02033.48% 3135,4801,3506,700,000 CF32,49315.95% 494,230942385,962 kWh30,10534.40%

3 Contemporary Engineering Economics, 4 th edition, © 2007 Marginal Cost of Capital Schedule (MCC) and Investment Opportunity Schedule (OSC)

4 Contemporary Engineering Economics, 4 th edition, © 2007 Infeasible alternatives Best Alt.12 jAlternativeRequired BudgetCombined Annual Savings 1000 2A1$(46,800$10,578 3A2(104,850)38,970 4A3(135,480)31,143 5A4(94,230)35,691 6A4, A1(141,030)46,269 7A2, A1(151,650)49,548 8A3, A1(182,280)41,721 9A4, A2(199,080)74,661 10A4, A3(229,710)66,834 11A2, A3(240,330)70,113 12A4, A2, A1(245,880)85,239 13A4, A3, A1(276,510)77,412 14A2, A3, A1(287,130)80,691 15A4, A2, A3(334,560)105,804 16A4, A2, A3, A1(381,360)116,382 Mutually Exclusive Decision Alternatives (Example 15.11)

5 Contemporary Engineering Economics, 4 th edition, © 2007 Optimal Capital Budget

6 Contemporary Engineering Economics, 4 th edition, © 2007 Under conditions of capital rationing, the selection of MARR is more difficult, but generally the following possibilities exist : ConditionsMARR A firm borrows some capital from lending institutions at the borrowing rate, k, and some from its investment pool at the lending rate, l. l { "@context": "http://schema.org", "@type": "ImageObject", "contentUrl": "http://images.slideplayer.com/11/3282910/slides/slide_6.jpg", "name": "Contemporary Engineering Economics, 4 th edition, © 2007 Under conditions of capital rationing, the selection of MARR is more difficult, but generally the following possibilities exist : ConditionsMARR A firm borrows some capital from lending institutions at the borrowing rate, k, and some from its investment pool at the lending rate, l.", "description": "l

7 Contemporary Engineering Economics, 4 th edition, © 2007 The cost of capital used in the capital budgeting process is determined at the intersection of the IOS and MCC schedules. If the cost of capital at the intersection is used, then the firm will make correct accept/reject decisions, and its level of financing and investment will be optimal. This view assumes that the firm can invest and borrow at the rate where the two curves intersect.

8 Contemporary Engineering Economics, 4 th edition, © 2007 If a strict budget is placed in a capital budgeting problem and no projects can be taken in part, all feasible investment decision scenarios need to be enumerated. Depending upon each investment scenario, the cost of capital will also likely change. Our task is to find the best investment scenario in light of a changing cost of capital environment. As the number of projects to consider increases, we may eventually resort to a more advanced technique, such as a mathematical programming procedure.


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