GMAT Sentence Correction (SC) | Re: Rising inventories, when unaccompanied correspondingly by

Here, in the first clause, "Rising Inventories" of the words the first must be noun, as
the second is an object, and object is associated with the subject, moreover, Rising can't
be an object, so it must be Noun.

Now, it is very elusive to debunk if Rising used here is Singular Noun or Plural Noun.Since, Rising is associated
with more than one inventory, each of them must be rising, hence, it will be comfortable to assume it as plural.

But i am not wholeheartedly convinced with my
...

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