The former ceo of sam's club, a division with its own profit-and-loss responsibility, rosalind brewer, reported to walmart's ceo, c. douglas mcmillon, who as corporate executive oversees walmart's entire operations. sam's club, therefore, is a of walmart.

B. strategic business unit

Explanation:

Based on the information provided within the question it can be said that in this situation Sam's Club is therefore a strategic business unit of Walmart. This term refers to a mostly autonomous division of a large company or corporation which is completely independent and focuses and a specific range of products or activities. They also deal with their own profit-and-loss.

i would prefer to go with the news article for nate, its recent and updated and stores a lot of information

answercountries with higher real income per capita tend to have higher levels of this index.