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Explain the main profitability ratios?

current ratio=current assets/current liability Measure the ability of the company to pay its current debts as they become due Acid Test Ratio=Quick assets/Quick liability Quick assets are cash, marketable securities, account receivable (Net) & note receivable. Accounts Receivable Turnover=Sales on accounts/Average Accounts Receivable This ratio measures how many times a company converts its receivable into cash each year.

Must all these ratios' figures employed before a company's profit can be determined?