In a Dispute Over a Sale Involving a Skateboard, Greg

In a dispute over a sale involving a skateboard, Greg argues that as to this deal Hobby Shop, where Greg bought the board, is a merchant. A court may determine whether the shop is a merchant by assessing whether

A) it has sold any skateboards within the last two years and if skateboards make up at least 5% of its sales.
B) it holds itself out as having knowledge and skill particular to skateboards.
C) its owner enjoys skateboarding.
D) it subscribes to Boards , a biweekly trade magazine.