Which of the Following Is a Characteristic of 'Master Planning

Which of the following is a characteristic of 'master planning'? 

A)  Customer orders, the sales plan, the planned stocks of finished products, and the purchasing plans are linked together. 
B)  The resources needed are recorded in a document from which the required composition of manufacturing resources is derived. 
C)  This is a basis for computing the quantities of materials, semi-manufactured products and components which must be manufactured. 
D)  Priorities are derived directly from the master production schedule.