BarnesandNoble.com is an example of$\_\_\_\_\_\_\_\_$ electronic commerce.

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Part $1$

A$.$

$$government$-$to$-$business $($G$2$B$)$

B$.$

$$business$-$to$-$consumer $($B$2$C$)$

C$.$

$$government$-$to$-$consumer $($G$2$C$)$

D$.$

$$consumer$-$to$-$consumer $($C$2$C$)$

E$.$

$$business$-$to$-$business $($B$2$B$)$