Computation of profit margin and total asset turnover and return on total assets for two consecutive years and Comment on such results.

A company had a net income of $76,000 in 2007 and $88,000 in 2008. Its net sales were $640,000 in 2007 and $611,000 in 2008. Its average total assets in 2007 were $670,000 and $712,000 in 2008. Calculate the profit margin, total asset turnover and return on total assets for both years. Comment on the results