How is analysis of Financial statements suffered from the limitation of window dressing ?

They use audit committe in companys to control mangers and board of directors

Also audit committe limit window dressing 

Analysis of financial statements is affected from the limitation of window dressing as companies hide Some vital information or show items at incorrect value to portray better profitability and financial Position of the business, for example the company may overvalue closing stock to show higher profits.

there is " F A R " It means Financial Analysis Ratio "

it's used for measuring the analysis of the financial statements

like

1 - activity ratio

2 - debt service ratio

3 - financial leverage ratio

4 - liquidity ratio

5 - profitability ratio