Yes to all. You get to first offset the loss against any gains you have each year so that can use more of it up. Then after applying the loss to the current gains if there is still a loss, you can take a max loss of 3,000 per year.
Then for #2
A) You will still have 10,000 to carryover to the NEXT year.
B) You will have 9,000 to carryover to the NEXT y ear.
