Kemp leased a gas filling station from Baehr. Kemp, who was heavily indebted to Penn-O-Tex Oil Corp., transferred to it his right to receive payments on all claims. When Baehr complained that the rent was not paid, he was assured by the corporation that the rent would be paid to him. Baehr did not sue Kemp for the overdue rent but later sued the corporation. The defense was raised that there was no consideration for the promise of the corporation. Decide. [Baehr v Penn-O-Tex Corp., 104 NW2d 661 (Minn)]