It has been suggested by some commentators that the process of budgeting in the Malaysian Public Sector is a multi-faceted exercise serving numerous stakeholders. It is said that the government budget serves many purposes which includes amongst other things: As a contract As a coordinator As a network communication As a political instrument As an accounting instrument As a fiscal policy instrument As a management instrument You have just been appointed a Budget Review Officer (BRO) in the Budget Management Division (BMD) of the Malaysian Treasury. Elaborate how each of the above seven purposes can be met during the process of budget preparation by BMD in the Malaysian Treasury