Given that, VDD = 5V, VTN = 0.4 V, kn = 100 A/V, An = 0.02 V-, () = 80, R = 4 kN, R = 0.5 MN, R3 = 4.5 M, and assume that the current through R and R3 is negligible compared to IDs. 1) Find Vo. For this part, you can ignore n. (10 points) 2) What's the output resistance Ro? You must use small-signal (ss) model to determine the output resistance. (4 points for SS model and 10 points for the rest) 3) If VDD increase 10% to 5.5 V, will the Vo also increase 10% and why? (6 points)