1- using the common size analysis ,operating expenses ratio for year 2005 will be:

2-using year-to-year analysis the %change of 2005 sales will be:

3-In a trend income statement for 2004, where 2004 is the base year, sales are expressed as :

4- while using the common size analysis it found that the % of cost of goods sold for the year 2006 is equal 80% and the sales amount for the year is $120000. what will be the gross profit amount for the year 2006 will be amount :

5- return on equity (ROE) for 2005 is equal :

6- return on assets (ROA) for 2005 is equal: