Please help with these sections, it's very hard to understand it.

Common Financial Ratios Short-term solvency, or liquidity ratio Current assets Current ratio Current Liabilities Current assets PRUFROCK CORPORATION (2012) Quick Ratio Cash ratio Current Liabilities Current Liabilities Net working capital NWC to Total Asset = Total Assets Interval measure Average daily operating costs Long-term solvency, or financial leverage ratio $70B Current ratio $540 Quick Ratio Cash ratio NWC to Total Asset Interval measure Avg. daily cost = 1.31 times $3.68 per day $3,588 $2,591 Total debt ratio $3,588 Debt-equity ratio Equity multiplier Long-term debt ratio Times interest earned ratio Cash coverage ratio .28 times assets Total debt ratio Debt-equity ratio Equity multiplier Long-term debt ratio Times interest earned ratio Long term debt Longterm debt+( n terest EBrr Cash coverage ratio Inter est