Get your taxes done using TurboTax

It sounds correct. You enter the adjusted cost basis after you enter your Form 1099-B, when you check the box that says My cost basis is incorrect or missing on my 1099-B. 

It sounds like you did that and ended up with a loss of $16.30. This is probably correct, as you acquired the stock and sold it some time later, so the sale price may have been less than what you bought the stock for.