Engineering Economics
A ______ is a market situation where economies of scale are so significant that cost are only minimized when the entire output of an industry is supplied by a single producer so that the supply costs are lower under monopoly that under perfect competition.

Ordinary monopoly
Perfect monopoly
Bilateral monopoly
Natural monopoly

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Engineering Economics
Liquidity ratios are used:

All of these
To measure a firm’s ability to meet short-cut obligations
To compare short term obligations to short-term resources available to meet these obligations
To obtain much insight into the present cash solvency of the firm and the firm

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