9. Refer to Figure 6. Following the entry of Verizon, the subscription price falls from $P_M$ to $P_C$. What is the increase in consumer surplus as a result of this change?
(A) The area \( \mathrm{A} + \mathrm{B} + \mathrm{C} \)
(B) The area \( \mathbf{B} + \mathbf{C} \)
(C) The area \( \mathrm{D} + \mathrm{F} \)
(D) The area \( \mathbf{B} + \mathbf{C} + \mathbf{D} \)

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