The transistor shown in Figure 1 has the following parameters: |Vt|=1 V, Kp (W/L)= 2 mA/V2. Determine the resistor R2 based on VX=10 V. Note that R2 should be determined so as to maintain the transistor in saturation mode. Assume R1=10 K, R3=8 K, R4=1 M, VSS=20 V