How should quantitative analysis improve subsequent decision making for a firm that wants to determine the fluctuations in revenue that it has experienced over the past 10 years?

A. It will let the firm determine fluctuations by calculating the variance of the revenue it made.

B. It will help the firm determine the fluctuations by determining who bought the items.

C. It will help the firm determine the fluctuations by examining how other firms in the industry performed.

D. It will help the firm see the competitors' average revenue.