Which of the Following Was the Result on Appeal in California

Which of the following was the result on appeal in California v.Safeway,the case in the text involving whether an agreement between grocers to share revenues during the term of a labor dispute violated antitrust laws?

A) The court ruled that the agreement was legal because it came within the non-statutory labor exemption to antitrust laws.
B) The court ruled that the agreement was legal because it came within the statutory labor exemption to antitrust laws.
C) The court ruled that the revenue-sharing agreement was not immune from antitrust scrutiny.
D) The court ruled that because the revenue-sharing agreement was not within the non-statutory exemption to antitrust laws, it was illegal as a matter of law with no further inquiry necessary.
E) The court ruled that although the agreement came within the statutory exemption to antitrust laws, additional inquiry was needed in order to determine whether the agreement constituted a per se violation which is illegal even in the face of an exemption.