Assume that R1 = 4 kΩ. Determine the value of ZL required to maximize the power delivered to the load impedance. A. (5.92 + j 1.44) kΩ B. (1.92 - j 1.44) kΩ C. (6.45 - j 2.13) kΩ D. (5.92 - j 1.44) kΩ E. (6.45 + j 3.65) kΩ F. None of the other answers is correct.