Mrs. Beard recognized a $12,430 capital loss on the sale of corporate stock this year. How much loss can she deduct in each of the following cases?

1-She had no other capital transactions this year.

2-She recognized a $3,920 capital gain on the sale of an antique rug and had no other capital transaction this year.

3-She recognized a $15,750 capital gain on the sale of investment land and had no other capital transaction this year