Using the point plotting tool, interpret the supply schedule to plot three points (the endpoints and the midpoint) on Carl and Patricia's combined supply curve. Then use the straight-line tool to draw the supply curve that connects them. (Draw a single line for the supply curve.) To refer to the graphing tutorial for this question type, please click here. Price ($) 80 75 70 65 60 55 50 45 40 35 30 25 20 15