Buyers in Country X Preferred to Use the Older Version

Buyers in Country X preferred to use the older version of Firm A's product although it was bulkier and less user-friendly. Buyers in Country Y, however, preferred to use the newer, lightweight version for its new user interface. What can be inferred from this information?

A) Firm A needs to revamp its after-sales services.
B) The sales of industrial goods are higher in Country X than in Country Y.
C) The perception of quality can differ across countries.
D) Country X is a highly industrialized nation.
E) Country Y has a lower average income level compared to Country X.