Which two statements are correct?

Your enterprise structure has one ledger and two business units. Business unit one wants to enable budgetary control for Requisitioning only in Procure-to-Pay
Business Functions and business unit two wants to enable budgetary control for Payable Invoicing only in Procure-to-Pay Business Functions.
Which two statements are correct?

A.
While defining control for business unit two, enable control at Requisitioning and define the exceptions to only include invoicing.

B.
Define control for business unit two to disable control for Requisitioning, Purchasing, and Receiving.

C.
Define budgetary control at ledger level with Budgetary Control Exceptions for each business unit.

D.
While defining control for business unit one, disable control for Purchasing, Payable Invoicing, and Receiving.

E.
While defining control for business unit one, enable control at purchasing and define the exceptions to only include requisitioning.

F.
Define budgetary control at ledger level and only encumbrance controls at the business units.