Financial Reasons Exercise To carry out this activity, check the Academic Guidance forum where your advisor will share the working document, download it and follow the instructions. From the document, apply the financial ratios of solvency, liquidity, profitability and operational efficiency. Remember that, to complement the information, you must consult NIF-A3. Apply the financial ratios of solvency, liquidity, profitability and operational efficiency. Remember that to complement the information, you must consult NIF-A3.