3. Store pays chargeback. -$10000' subtotal: -$7000
You can't double count the TV, and IMO, you can't count the potential profit loss either, as that's covered once the store buys a replacement TV for inventory. There are fees on top of the above, but the store is out the COGS and fees, not double the COGS, plus the margin.
2. Store sells TV. +$10000, subtotal: +$3000
3. Store pays chargeback. -$10000' subtotal: -$7000
You can't double count the TV, and IMO, you can't count the potential profit loss either, as that's covered once the store buys a replacement TV for inventory. There are fees on top of the above, but the store is out the COGS and fees, not double the COGS, plus the margin.