Investors & landlords

You would be better off using the figure that TT calculated and then copying and pasting into that Box E if the net result is anyway going to be the same. And the reason for this is simple, keep the backup of how you came up with the calculation via Turbotax incase it becomes an issue down the road. If you just leave it blank, the IRS may question it as to why you didn't enter anything in as the cost basis.  

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