Structure of the argument :
Premise : Only 12 copies sold
Conclusion : Photocopier devastated publisher
The argument assumes that there are no other factors than the photocopiers that caused the low sales. Any answer choice giving a different factor will weaken this argument !
C gives that other factor !
Premise : Only 12 copies sold
Conclusion : Photocopier devastated publisher
The argument assumes that there are no other factors than the photocopiers that caused the low sales. Any answer choice giving a different factor will weaken this argument !
C gives that other factor !






