Goldfarb v. Virginia State Bar is a case dealing with when the Goldfarbs bought a house in Virginia, they had to have a title search done on the home to obtain a mortgage and title insurance. The title search could be done only by a lawyer licensed in Virginia. Every lawyer the Goldfarbs contacted charged at least the minimum fee listed in the fee schedule for legal services published and enforce by the bar, which licenses attorneys. The Goldfarbs sued concerning the minimum fee listed. What legal issue could this present?

a) horizontal price fixing

b) vertical price fixing

c) violation of the Clayton Act

d) violation of the Robinson-Patman Act

e) violation of the Obama act