53. Incorrect. The answer is true, not false. At P* = 8, Q* = 17-1/2*P = 17-1/2*8 = 13.� Therefore,

CS = �_o¹³P(Q)dQ - Q*P* =� � _o¹³ (34-2Q)dQ - 8*13 =[34Q-Q²] ^�- 104 = (34*13 - 13²) - 0 - 104 = 169.