In the current year, Stephanie formed an equal partnership with Jane. Stephanie contributed land with an adjusted basis of $250,000 and a fair market value of $350,000. Stephanie also contributed $100,000 cash to the partnership. Jane contributed land with an adjusted basis of $150,000 and a fair market value of $200,000. The land contributed by Stephanie was encumbered by a $250,000 nonrecourse debt. Assume the partners share debt equally. Immediately after the formation, the basis of Stephanie's partnership interest is:?