Choose the correct phrasal verb for the underlined word:

The new management has abolished all the existing rules and regulations.

done away with

The correct answer is Option (3) → done away with

The sentence would be: "The new management has done away with all the existing rules and regulations."

Explanation:

- "Abolished" means to formally put an end to something, especially a system, practice, or institution, by authority.
- "Done away with" is a phrasal verb that means to abolish, eliminate, or get rid of something completely. It fits well in the context of the sentence, indicating that the new management has eliminated all the existing rules and regulations.