"is mark's new company located in philadelphia," julie asked. change philadelphia," to philadelphia." change philadelphia," to philadelphia"? change philadelphia," to philadelphia? " change asked. to asked?

Hi! The sentence should look like this after changes:

"Is Mark's new company located in Philadephia?" Julie asked.

(There is no change to asked)

Change Philadelphia,” to Philadelphia “?

Ialways thought that he thought it wasn’t fair because he thinks that people should be able to experience things and think outside of the box, or see color and add brightness and happiness to their lives but idk.