Price has operated as the major determinant of buyer choice among poorer nations, among poorer groups, and with ________ products.

Price has operated as the major determinant of buyer choice among poorer nations, among poorer groups, and with ________ products.

Price has operated as the major determinant of buyer choice among poorer nations, among poorer groups, and with ________ products.

A.  over the Internet
 B.  commodity-type
 C.  identical
 D.  similar