Which of the Following Explains 'Purchasing Performance

Multiple Choice

Which of the following explains 'Purchasing Performance'? 

A)  The extent to which the purchasing function is able to realize its costs. 
B)  The extent to which the purchasing function is able to sacrifice of a minimum of the company's resources, i.e. costs. 
C)  The extent to which the purchasing function is able to realize its predetermined goals at the sacrifice of a minimum of the company's resources, i.e. costs. 
D)  The extent to which the purchasing function is able to realize its predetermined goals.