Figure 2. Increasing cost per resident as the cost of general supervision, research and scholarship, faculty development, and academic/clinical administration are incrementally added to the instructional cost (cost of direct supervision, didactic lectures, teaching preparation, and teaching-related administration). %DS = percent direct supervision; Instr cost = instructional cost;+GS = plus general supervision;+RS = plus research and scholarship;+FD = plus faculty development;+AD = plus academic administration.