Which three commands should you use?

You have an Exchange Server 2016 organization.
Users store sales information in public folders.
You need to create a public folder that can receive email from external users.
Which three commands should you use? Each correct answer presents part of the solution.

A.
Add-MailboxPermission

B.
Add-PublicFolderClientPermission

C.
Update-PublicFolderMailbox

D.
Enable-MailPublicFolder

E.
Add-RecipientPermission

F.
New-PublicFolder

G.
New-Mailbox

Explanation:
https://technet.microsoft.com/en-us/library/bb691104(v=exchg.160).aspx
https://technet.microsoft.com/en-us/library/aa997560(v=exchg.160).aspx#CreateItems