A$)U$ sing $V_{th},V_{\text{e}\text{f}\text{f}\text{,}}$ and the input current $(I_{in})$ Solve for $V_x,V_y,V_{Gy},$ and the output current

$($Iout$)($Iout$)$

B$)$ In order for all transistors to remain in saturation what is the minimum drain Voltage of M$1?$A$)$ Using $V_{th},V_{\text{e}\text{f}\text{f}\text{,}}$ and the input current $(($:$I_{in}\}$ Solve for $V_x,V_{y_i}{V}_{Gy}$ and the output current $($Iout$)$

B$)$ In order for all transistors to remain in saturation what is the minimum drain voltage of M$1?$