Assess recall of core financial ratios used in corporate credit analysis—cover liquidity (current ratio, quick ratio), leverage (debt-to-equity, debt ratio), coverage (interest coverage, EBITDA/interest), and profitability (ROA, ROE, net profit margin). Require stating each ratio's standard formula and a brief note on what high or low values imply for creditworthiness. Scope: definitions and formulas only; no lengthy calculations. Graduate-level, medium difficulty, cognitive goal: remember.