Alan Astrophysics Entity (AAE) Is Involved in a Joint Operation

Alan Astrophysics Entity (AAE) is involved in a joint operation with Clark Chemical Entity (CCE) in developing a new research facility to be deployed in space. The values of the assets contributed by both parties increase at the time of contribution. How should the change in value be accounted for on AAE's books?

A) AAE should recognize the increased value on property contributed by both CCE and AAE.
B) AAE should recognize the increased value on property contributed by CCE only.
C) AAE should recognize the increased value on property contributed by AAE only.
D) Because this is a joint operation, no increase in value should be recognized.