Consider the following MOS Amplifier where R1 = R2 = 14 kΩ, RD = 26 kΩ, IS = 0.23 mA, and RL = 100 kΩ. The MOSFET parameters are: knW/L = 5 mA/V, VT = 0.6 V, and λ = 0.013 V^-1. Find the voltage gain vout/vin.