What is the correct punctuation for this sentence Mr Carroll do you know of any jobs we could after school asked Fred?

"Mr. Carroll, do you know of any jobs we could get after school?" asked Fred.

Here's why:

* Capitalization: "Mr." should be capitalized.

* Comma: A comma is needed after the introductory phrase "Mr. Carroll."

* Question Mark: A question mark is needed at the end of the sentence.

* Quotation Marks: Quotation marks are needed around Fred's question.