Accountants at XYZ Corp. calculate cost of goods sold, selling and administrative expenses, and net income as a percentage of net sales for their company and the two largest competitors. This would allow them to effectively assess

A : the companys return on assets relative to its two largest competitors.

B : how the company generates return on stockholders equity.

C : how the company is performing relative to its two largest competitors.

D : costs relative to income and sales for their company over time.