An AWS Account Wants to Be Part of the Consolidated

An AWS account wants to be part of the consolidated billing of his organization's payee account. How can the owner of that account achieve this?

A) The payee account has to request AWS support to link the other accounts with his account
B) The owner of the linked account should add the payee account to his master account list from the billing console
C) The payee account will send a request to the linked account to be a part of consolidated billing
D) The owner of the linked account requests the payee account to add his account to consolidated billing