Hall and Haig are equal partners in the firm of Arosa Associates. On January 1, 2012, each partnerís adjusted basis in Arosa was $40,000. During 2012 Arosa borrowed $60,000, for which Hall and Haig are personally liable. Arosa sustained an operating loss of $10,000 for the year ended December 31, 2012. The basis of each partnerís interest in Arosa at December 31, 2012, was