Sales representatives want to capture custom Feedback record details related to each Account. The sales reps want to accomplish this with minimal clicks on the Salesforce1 mobile application. What is the recommended solution to meet this requirement? Choose 2 answers.

Which type of field cannot be universally required?

Ursa Major Solar wants to see the Type field from the parent object Galaxy listed on the child record Star. The app builder is receiving an error stating "Picklist values are only supported in certain functions".
What formula should an app builder use to achieve the desired result?

UC would like to embed a chart of all related opportunities, by stage, on the account details page. Which type of report should use

An app builder is tasked with adding key performance indicators on client pages. They want to see a summary of the number of open Opportunities and the number of won Opportunities for each Account.
Where should the app builder go to build these new rollups?