Buying Component Parts from Independent Suppliers Gives the Firm Which

Buying component parts from independent suppliers gives the firm which of the following advantages?

A) may help the firm to capture orders from international customers,facilitates the scheduling of adjacent processes and greater flexibility
B) greater flexibility,facilitates the scheduling of adjacent processes and protects proprietary production technology
C) facilitates investments in highly specialised assets,protects proprietary product technology and facilitates the scheduling of adjacent processes
D) greater flexibility,it can help drive down the firm's cost structure and it may help the firm to capture orders from international customers