Let X₁ and X₂ Be 0-1 Variables Whose Values Indicate $\le$

question 35

Multiple Choice

Let x₁ and x₂ be 0-1 variables whose values indicate whether projects 1 and 2 are not done or are done. Which answer below indicates that project 2 can be done only if project 1 is done?

• A)x₁ + x₂ = 1
• B)x₁ + x₂ = 2
• C)x₁ -x₂ \(\le\) 0
• D)x₁ -x₂ \(\ge\) 0

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Definitions:

Revenue Account

An account that shows the income generated by a business from its normal operational activities.

Fully Depreciated

A status of a fixed asset when its book value is reduced to zero through depreciation over its useful life, assuming it has no salvage value.

Discarded

Refers to items or materials that have been thrown away or disposed of because they are no longer useful or required.

Accumulated Depreciation

The total amount of an asset's cost that has been allocated as depreciation expense since the asset was put into use, representing how much of the asset's value has been used up.