Engineering Economics
Which one of the following definitions is correct?

The ratio debt-to-total assets is called Debt-to-total assets ratio
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'
All of these

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Engineering Economics
Which one of the following questions is relevant to the construction estimates?

All of these
Did the estimators precisely evaluate site conditions
Did the estimators use short cut methods which may be unrealistic in their situation
How much money will the contractor's risk, loosing if he were to submit bid on the raw estimate of cost

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