You Inherited a Mature Jira Instance with Hundreds of Projects

You inherited a mature Jira instance with hundreds of projects and associated schemes. You are trying to optimize the administration of the instance. You need to create a new project and determine which schemes to apply. Select the two best approaches. (Choose two.)

A) Create a custom project template that uses the most common shared schemes.
B) Use the Scheme Helper admin tool to see which combinations of schemes are compatible.
C) Use one of the project templates other than Jira Default Schemes.
D) Attempt to generalize existing schemes with project roles and share those.
E) Evaluate existing shared schemes based on common project category or other criteria.
F) Create a project using the Jira Default Schemes and then create new schemes to avoid sharing conflicts.