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redpearl
Returning Member

I want to know how a number in TurboTax is calculated. How can I find it out?

I am using TurboTax Premier 2020 PC version.
I see the 1040 Line 1 is larger than Box 1 on my W2. But when I click the "magnifying glass" button beside it (in the form mode), it only listed my W2 forms, and does not explain how that number is calculated.

After I dig into lots of forms, I figured out that the additional part comes from one transaction of my ESPP. However, in the worksheet of that transaction, it only listed a number there, and does not explain how that number is calculated.

How can I find out how that number is calculated?

More general, for any number in TurboTax, how can I find out how that number is calculated?
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2 Replies
redpearl
Returning Member

I want to know how a number in TurboTax is calculated. How can I find it out?

To make my question more clear, let me explain my situation in more details (without real numbers):

 

For example, I have three W2 forms, and the summation of Box 1 of all three W2 forms is "X". I see the number on 1040 Line 1 is not "X", but "X+Y". I want to know how this number "X+Y" is calculated.

 

I have already figured out (to some extent) where this "Y" comes -- it comes from a transaction of my ESPP selling. However, in the worksheet of that ESPP transaction, it only listed this number "Y" in a line named compensation income. I want to know how this "Y" is calculated. But I do not know how. :(

 

Furthermore, I have other transactions of ESPP as well. On worksheets of other transactions, there is NOTHING listed as compensation income. I.e. they all have "0" on the same position as the "Y" above. I want to know how that "0" is calculated. Or in other words, why those transactions have "0" as compensation income, but only one transaction has "Y". Anyone knows how to figure this out in TurboTax?

JohnB5677
Expert Alumni

I want to know how a number in TurboTax is calculated. How can I find it out?

Compensation income from an ESPP is added to your reported earnings but is not added to your paycheck (because the value is in your brokerage account or the stock itself). For reporting purposes, the broker reports the transaction and the income on a Form 1099-B.

 

Your compensation income from ESPP shares in a qualifying disposition is the lesser of two amounts.

 

The first is the discount allowed on your purchase, determined as of the “grant date,” which is normally the first day of the offering period. (Your company should inform you if a different grant date is used.)

 

Note that this is not necessarily the actual discount you received on the shares. It’s the discount determined as if you bought the shares on the grant date, even though you didn’t buy the shares that day and couldn’t have done so even if you wanted.

 

Beginning with the 2010 tax year, you should find the numbers needed to calculate this amount on Form 3922 supplied by your employer. It’s the difference between the fair market value of the stock on the grant date and the purchase price determined as of the grant date (not the actual purchase price).

 

The second number, which comes into play only if smaller than the first one, is essentially your profit from the shares. More precisely, it’s the difference between the fair market value of the stock when you disposed of it and the actual amount you paid for the shares.

 

The smaller of these two numbers (the discount or the profit) is the amount of compensation income you have as a result of the disposition.

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