What is Walton's estimated net worth as of March, 2014?
| Options: |
| A) US$36.2 billion B) US$37.7 billion C) US$36.5 billion D) US$36.7 billion |
| Answer : US$36.7 billion |
| Options: |
| A) US$36.2 billion B) US$37.7 billion C) US$36.5 billion D) US$36.7 billion |
| Answer : US$36.7 billion |