Identify the incorrect statement with respect to the Calvin cycle.
The first stable intermediate compound formed is $ \text{phosphoglycerate} $.
18 molecules of $ \text{ATP} $ are synthesized during carbon fixation.
$ \text{NADPH} + \text{H}^+ $ produced in the light reactions is used to reduce diphosphoglycerate.
The carboxylation of $ \text{RuBP} $ is catalyzed by Rubisco.
