Only option which is positive for notebooks and is in accordance with their prices coming down is (a). Option (b) is against what is being said in the last line of the passage. (c) is completely illogical and hard to come by as it talks about the prices of components coming down but prices note books soring high. (e) is also in different direction and is not related to spirit of passage. Option (d) is about desktops not note books.