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CHAPTER 3 - Educators

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74 <strong>CHAPTER</strong> 3/COST-ESTIMATION TECHNIQUES<br />

Tuition and<br />

Fees<br />

2009<br />

2008<br />

Tuition<br />

Activities fees<br />

Memberships<br />

Medical insurance<br />

Lab fees<br />

2011<br />

2010<br />

Sum over Four Years to Obtain Total Cost<br />

of a B.S. at Your University<br />

Books and<br />

Supplies<br />

Books<br />

Duplication<br />

Supplies<br />

Computer rental<br />

Software<br />

Living<br />

Expenses<br />

Rent<br />

Food<br />

Clothing<br />

Recreation<br />

Utilities<br />

Figure 3-1 Bottom-Up Approach to Determining the Cost<br />

of a College Education<br />

3.2 An Integrated Approach<br />

Transportation<br />

Fuel<br />

Maintenance on car<br />

Insurance<br />

Traffic tickets<br />

An integrated approach to developing the net cash flows for feasible project<br />

alternatives is shown in Figure 3-2. This integrated approach includes three basic<br />

components:<br />

1. Work breakdown structure (WBS) This is a technique for explicitly defining,<br />

at successive levels of detail, the work elements of a project and their<br />

interrelationships (sometimes called a work element structure).<br />

2. Cost and revenue structure (classification) Delineation of the cost and revenue<br />

categories and elements is made for estimates of cash flows at each level of the<br />

WBS.<br />

3. Estimating techniques (models) Selected mathematical models are used to<br />

estimate the future costs and revenues during the analysis period.<br />

These three basic components, together with integrating procedural steps, provide<br />

an organized approach for developing the cash flows for the alternatives.

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