(a) Given the voltage divider JFET amplifier of Figure 2. Assume VDD = 20 V, R1 = 2 MΩ, R2 = 250 kΩ, RD = 2.5 kΩ, RS = 1.5 kΩ, RL = 1 kΩ, IDSS = 8 mA, and VP = -4. Proceed to DC and AC analysis of the circuit in Figure 2. You must show all derivation steps and equations.find zi,zo,av,avl