Brian owns 1,000 shares of PBI stock, which he purchased in 2015 for $1,800. He sells these shares on 10/13/2020 for $2,000. On 11/10/2020 Bran buys another 1,000 shares of PBJ stock for $2,100 What is Brian's basis in the November PBJ stock purchase? a $1,800 $2,300 $1,000 $2,100