Net assets = assets - liabilities = owners' equity

Return on equity = net profit/net assets

Asset-liability ratio = liabilities/assets

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Cost expense ratio = total cost and expense (cost of sales + administrative expenses + operating expenses + financial expenses) / net income from main business

Accounts receivable does not have the concept of profitability. Generally, Talk about turnover rate

Accounts receivable turnover rate = net income from main business/average accounts receivable balance (beginning of the year + end of the year divided by 2)