GMAT Critical Reasoning (CR) | Mall owner: Our mall's occupancy rate is so low that we are

Mall's occupancy rate is low that we are barely making a profit. We cannot raise rents because of unacceptably high risk of losing our tenants. On the other hand,a mall that is fully occupied costs as much to run as one with a rental space here and a rental space there free. Clearly, therefore, to increase profits we must sign up new tenants.

Which of the following, if true, weakens the argument:

A) The mall's operating costs could be cut by consolidating currently rented spaces in such a way
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