Since GE Began Accepting Bids Via the Internet,the Length of the Bidding

Since GE began accepting bids via the Internet,the length of the bidding process in GE's lighting division has been reduced from 21 days to 10.Since requesting the bids is easier,purchasing agents approach more potential vendors.The ability to locate more vendors has lowered the cost of goods by 5 to 15 percent.What does GE's experience illustrate?

A) how using the Internet decreases competition
B) how business marketing is becoming global
C) how business marketing is using the Internet to become more efficient
D) how the Internet increases efficiency in data exchange