Read the following article and answer the question by choosing from the options.

Beware of buying from unauthorized dealers or fake Authorized dealers ! Beware of sellers who do not have dealer logos . You may be buying clones and manufacturer will not honor the warranty when buying from unauthorized dealers or fake dealers .

How can the buyer determine whether the merchandise is authentic ?
Options: 1). They can make sure the dealer will honor the warranty .. 2). They can pay the dealer in cash .. 3). They can verify that the item has not been cloned .. 4). They can make sure a dealer logo is present .....A:
4).