What is the fall time for a minimum size CMOS inverter in which both W/L ratios are 2/1, assume a load capacitance of 0,8 pF and VDD = 2,5 V, (VTN = |VTP| = 0.6 V, Kn' = 100 μA/V2, kp′ = 40 μA/V2)? a. 3,16 ns b. 7,58 ns c. 3.79 ns d 2.25 ns e 4.75 ns