QUESTION 26 The figure below depicts demand (D), average cost (AC), and marginal cost (MC) curves for driving at different vehicle volumes. The y-axis measures the cost of driving, while the x-axis measures vehicle volumes. Different points on the figure are given by A, B, F, C, and E. To implement the socially optimal level of driving, what is the appropriate congestion tax? $ MC Co AC B E F : D V' Vo V1 Volume O A. A congestion tax equal to the vertical distance between points C and F. O B. A congestion tax equal to the vertical distance between points C and E. O C. A congestion tax equal to the vertical distance between points B and F. O D. A congestion tax equal to the vertical distance between points B and E