Q/ A and B form general partnership AB, A contributes real property with a FMV of $100,000 subject to a recourse mortgage of $60,000 in exchange for an 80% interest in the partnership. The basis of the contributed property is $5,000. B contributes $10,000 cash for a 20% interest in the partnership.

What are A and B's basis in their partnership interest immediately after the formation of the partnership?