Which of the Following Explains the 'Value Chain Management

Multiple Choice

Which of the following explains the 'Value Chain management'? 

A)  All stakeholders belonging to the same value chain are challenged to improve the (buying) company's value proposition to staff. 
B)  All stakeholders belonging to the same value chain are challenged to improve efficiency. 
C)  All stakeholders belonging to the same value chain are challenged to reduce costs. 
D)  All stakeholders belonging to the same value chain are challenged to improve the (buying) company's value proposition to its final end customers i.e. consumers.