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Thank you and @Critter !! I think I follow but wanted to ask for additional guidance using another example:
1. 46 of my RSUs vested in March, my company sold 20 of them as sell-to-cover and I sold 26 (short-term gain). 
2. The 26 I sold had an adjusted cost basis of $2098, total proceeds $2068, gain/loss $2068, adjusted gain/loss of $30. 

Do I owe taxes on the $2068 or on the $30? And what happens to the money from the 20 sold as sell-to-cover? Thanks, again!!