An Organization Has Added 3 of His AWS Accounts to Consolidated

Multiple Choice

An organization has added 3 of his AWS accounts to consolidated billing. One of the AWS accounts has purchased a Reserved Instance (RI. of a small instance size in the US-East-1a zone. All other AWS accounts are running instances of a small size in the same zone. What will happen in this case for the RI pricing?

A) Only the account that has purchased the RI will get the advantage of RI pricing
B) One instance of a small size and running in the US-East-1a zone of each AWS account will get the benefit of RI pricing
C) Any single instance from all the three accounts can get the benefit of AWS RI pricing if they are running in the same zone and are of the same size
D) If there are more than one instances of a small size running across multiple accounts in the same zone no one will get the benefit of RI