Engineering Economics
Aside from many sellers and many buyers, which one is a characteristic of perfect competition?

Perfect information and absence of all economic friction
Free market entry and exit
All of these
Homogeneous product

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Engineering Economics
Which one of the following definitions is correct?

The ratio debt-to-total assets is called Debt-to-total assets ratio
All of these
The ratio of earnings before interest and taxes for a particular reporting period to the amount of interest charges for the period is called interest coverage ratio
The ratio of total debt to share holder's equity is called 'debt ratio'

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Engineering Economics
The key to profitable operation for project cost control, is:

To keep the project cost within the cost budget and knowing when and where job costs are deviating
To keep the project cost equal to subsequent construction budget
None of these
To keep the project cost equal to original cost estimate

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