If doubly reported income (created by exercise of SARs) was reported both on an employer's W-2 and on a brokerage firm's 1099B, would I still use offset on Schedule C?
I've used TurboTax for decades, and it's never failed me. The problem I'm having now with doubly reported income is new with my 2016 tax return, and is repeating itself in 2017.
The employer is reporting as W-2 income the difference between the the value of the newly acquired stock and the grant price at which it was purchased. The brokerage firm is reporting my basis in the newly acquired stock at the grant price instead of its newly acquired basis. Since I sold the newly acquired stock within a couple of days of acquisition, the 1099B is reporting the difference as a large short term capital gain instead of the modest amount of short term capital loss I actually experienced. The combination of this reporting leads to a double reporting of my stock-appreciation income and a loss of a short term capital loss deduction.
It appears that my employer (former, as I am now retired) and its affiliated (not my personal) brokerage either are not communicating on reporting, or are responding to IRS reporting requirements in a way that creates this problem. The IRS is asking me to explain 2016 discrepancy, and I wish to avoid same problem for 2017.
Advice?