Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to buy used laptops [title] Purchase refurbished instead of used--if possible. [step] A refurbished laptop is one that has been maintained and repaired, often brought back to brand-new quality. A used laptop is one that has not been touched up at all.

Ending1: Modern laptops are used only by factory workers and prices can skyrocket, so whether you have refurbished a used laptop or not, you need to purchase replacement copies. There are many advantages to purchasing replacement versions. Ending2: Because refurbished laptops have been examined and maintained, they are often more reliable than used laptops and, thus, less prone to breaking down immediately. However, refurbished laptops can be a bit more expensive and less available than used laptops. Ending3: Repossessing a refurbished laptop sets the price, and you can raise your shipping costs by a few dollars of buying refurbished laptops instead. [substeps] The general market research used from 2002 to 2004 recommends that refurbished laptops-or any laptop on the street-be custom updated to suit the need to restore it to its original condition. Ending4: A refurbished laptop is usually built around the thumb memory of a user and can be used as long as it is interactive and shows up online. [substeps] Refurbished laptops can be less expensive than used laptops because it uses the same data as used laptops.

Answer format: ending1/ending2/ending3/ending4