Prices are mostly determined by the competition and not by the seller. Say Sony manufactures a laptop at $100 and Lenovo at $102. If Lenovo has to be competiti

Prices are mostly determined by the competition and not by the seller. Say Sony manufactures a laptop at $100 and Lenovo at $102. If Lenovo has to be competition they have to somehow shove off that additional $2 required to make themselves on par with Sony. So every penny counts.