Ok ... lets look at that instruction carefully ... you don't get to take all the Sch D income for the 8829 just any amount on line 4797 and Sch D that relates to the business like the sale of business assets. So is that what you are referring to ? If so did you enter the sales of assets in the Sch C section correctly so that those sales are linked to the Sch C ?
Line 8
If all the gross income from your trade or business is from the
business use of your home, enter on line 8 the amount from
Schedule(s) C, line 29, plus any gain derived from the business
use of your home and shown on Form 8949 (and included on
Schedule D (Form 1040)) or Form 4797, minus any loss shown
on Form 8949 (and included in Schedule D) or Form 4797 that is
allocable to the trade or business in which you use your home
but is not allocable to the use of the home. If you file more than
one Form 8829, include only the income earned and the
deductions attributable to that income during the period you
owned the home for which Part I was completed.
If some of the income is from a place of business other than
your home, you must first determine the part of your gross
income (Schedule C, line 7, and gains from Form 8949,
Schedule D, and Form 4797) from the business use of your
home. I
