Final answer:
The subject of this question is Business. Alex is analyzing the projected financial returns from his customers in order to make decisions about managing each account. Based on this analysis, he may decide to fire some customers if they are not providing enough returns.
Step-by-step explanation:
The subject of this question is Business. Alex is analyzing the projected financial returns from his customers in order to make decisions about managing each account. Based on this analysis, he may decide to fire some customers if they are not providing enough returns. Therefore, the correct answer is B. Fire some customers.