5-8. A CMOS inverter has transistor parameters: Kn(W/L)n = 100 μA/V2, Kp(W/L)p = 300 μA/V2, Vtn = 0.7 V, Vtp = -0.75 V, and VDD = 2.5 V. What fraction of the total output voltage swing will the n MOS transistor be in saturation?