Analysis about Microsoft Corporation

I need help with the

a. Five year net sales, operating expenses, operating income Balance Sheet and net income analysis. Once calculations are complete, interpret the resulting data and comment on the significance of the trend results.

b. Five year total profit margin, asset turnover, return on assets and return on stockholder equity analysis. Once calculations are complete, interpret the resulting data and evaluate the companys profitability.

c. Five year return on assets ratio, return on equity, management efficiency ratios, current ratio, days cash on hand and working capital analysis. Once calculations are complete, interpret the resulting data and evaluate the companys liquidity.

d. Five year debt ratio & times interest earned ratio analysis. Once calculations are complete, interpret the resulting data and comment on the companys long term solvency.

e. Complete a Du Pont Analysis for each of the five most recent years. Once calculations are complete, interpret the resulting data and comment on the companys individual Du Pont characteristics (e.g., Total Margin, Total Asset Turnover & Equity Multiplier) and trends across the analysis period.

f. What is the name of the companys independent auditors? What type of opinion did the independent auditors issue on the financial statements (unqualified, qualified, adverse or disclaimer)? What does this opinion mean?