Calculate and interpret key financial ratios:
Liquidity (current ratio, collection period, days cash-on-hand, average payment period)
Profitability (operating margin (%), total margin (%), return on net assets (%)
Asset efficiency (total asset efficiency, age of plant (years), fixed asset turnover, current asset turnover, inventory turnover)
Capital structure (net asset financing [%], long-term debt to capitalization, debt service coverage, cash flow to debt [%])