Suppose There Are Two Firms,Boors and Cudweiser,each Selling Nonalcoholic Beer

Suppose there are two firms,Boors and Cudweiser,each selling nonalcoholic beer.Suppose Boors and Cudweiser are not viewed as perfect substitutes but rather demand for Boors is and demand for Cudweiser is .For simplicity,assume zero marginal costs.Which is the more preferred beer?

A) Boor's
B) Cudweiser
C) they are equally preferred
D) neither are preferred