In a co-publication agreement, ownership of both the material and its means ... ...

Determine whether or not there is an error in the underlined portion of the sentence above. If there is no error, select answer choice "A".
(A) its means of distribution are equally shared by the parties.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Set B - Subject-Verb Agreement