available , we do not expect any transactions to have a significant impact on our reported income tax expense .
in connection with the completion of the reorganization , we will reevaluate the ability to realize our deferred tax assets related to u.s .
operations under the new aon uk corporate structure and we may recognize a non-cash , deferred tax expense upon the conclusion of this evaluation .
based on information currently available , we do not expect the additional deferred tax expense , if any , to be significant .
the reorganization will result in additional ongoing costs to us .
the completion of the reorganization will result in an increase in some of our ongoing expenses and require us to incur some new expenses .
some costs , including those related to employees in our u.k .
offices and holding board meetings in the u.k. , are expected to be higher than would be the case if our principal executive offices were not relocated to the u.k. .
we also expect to incur new expenses , including professional fees and sdrt in connection with settlement of equity-based awards under our stock or share incentive plans , to comply with u.k .
corporate and tax laws .
item 1b .
unresolved staff comments .
item 2 .
properties .
we have offices in various locations throughout the world .
substantially all of our offices are located in leased premises .
we maintain our corporate headquarters at 200 e .
randolph street in chicago , illinois , where we occupy approximately 355000 square feet of space under an operating lease agreement that expires in 2013 .
there are two five-year renewal options at current market rates .
we own one building at pallbergweg 2-4 , amsterdam , the netherlands ( 150000 square feet ) .
the following are additional significant leased properties , along with the occupied square footage and expiration. .

Property:
Occupied Square Footage
Lease Expiration Dates
4 Overlook Point and other locations, Lincolnshire, Illinois
1,224,000
2014 – 2019
2601 Research Forest Drive, The Woodlands, Texas
414,000
2020
DLF City and Unitech Cyber Park, Gurgaan, India
383,000
2012 – 2014
2300 Discovery Drive, Orlando, Florida
364,000
2020
Devonshire Square and other locations, London, UK
327,000
2018 – 2023
199 Water Street, New York, New York
319,000
2018
7201 Hewitt Associates Drive, Charlotte, North Carolina
218,000
2015

7201 hewitt associates drive , charlotte , north carolina .
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218000 2015 the locations in lincolnshire , illinois , the woodlands , texas , orlando , florida , and charlotte north carolina , each of which were acquired as part of the hewitt acquisition in 2010 , are primarily dedicated to our hr solutions segment .
the other locations listed above house personnel from each of our business segments .
in november 2011 , aon entered into an agreement to lease 190000 square feet in a new building to be constructed in london , united kingdom .
the agreement is contingent upon the completion of the building construction .
aon expects to move into the new building in 2015 when it exercises an early break option at the devonshire square location. .

Question: Analyse this data from a financial earnings document. considering the properties with lease expiration dates in 2020 , what is the average occupied square footage?
Choices:
25000
389000.0
778000
-388782
398500
Correct choice index: 1