Ten years ago, Janine purchased $100$ shares of Mega stock for $$245$ per share. On September $10$ of the current year, she sold all $100$ shares for $$200$ per share.

Required:

Compute Janine's realized and recognized loss on sale assuming that she purchased $200$ shares of Mega on October $1$ for $$190$ per share.

Compute Janine's realized and recognized loss on sale assuming that she purchased $100$ shares of Mega on November $1$ for $$180$ per share.

Compute Janine's tax basis in the $200$ shares of Mega purchased in part a$.$

Compute Janine's tax basis in the $100$ shares of Mega purchased in part b$.$