Can someone explain why the answer is C?

Figure 15-12 PRICE 150 300 QUANTITY 83. Refer to Figure 6-12. Suppose a tax of $84 per unit is imposed on this market. Which of the following is correct? a. Buyers and sellers will share the burden ef the tax equally. b. Sellers will hear more of the burden of the tax than buyers will. e. Buyers will hear more of the burden of the tax than sellers will. d. There is no tax burden. ANSWER: c