What is Ortega's net worth as of July 2015?
| Options: |
| A) US$65 billion B) US$71.3 billion C) US$90 billion D) US$90.3 billion |
| Answer : US$71.3 billion |
| Options: |
| A) US$65 billion B) US$71.3 billion C) US$90 billion D) US$90.3 billion |
| Answer : US$71.3 billion |