Problem 3 (6 points) Consider the NMOS characteristics next where the three drain current curves are at VGS equal to 3 V, 2.5 V, and 2 V, respectively. Estimate transconductance gm and drain resistance rd, assuming the VGSQ = 2.5 V (the middle curve), VDSQ = 5 V, and IDSQ = 7.39 mA.