Does Leo Have Any Obligation to Tell Gordon About the BigBox

Does Leo have any obligation to tell Gordon about the BigBox deal?

A) Yes,partners must disclose any material facts affecting the business.
B) Yes,but Leo only has to tell Gordon about the BigBox deal if they are going to split up the business.
C) No,although partners must disclose any material facts affecting the business,Leo does not need to tell Gordon unless he signs an agreement to place SafeT Car in every BigBox store nationwide.
D) No,because Gordon breached his fiduciary duty.
E) No,because Gordon has chosen not to come to work and not to perform any duties.