6. Arwen transfers land to Lindon Corporation for 90% of the stock in Lindon Corporation worth $20,000 plus a note payable to Arwen in the amount of $40,000 and the assumption by Lindon Corporation of a mortgage on the land in the amount of $100,000. The land, which has a basis to Arwen of $70,000, is worth $160,000.

What is Arwen's basis in the corporate stock?