(Solved): Compute current \( I_{1} \) in the circuit shown below. Assume: \[ \begin{array}{l} V_{B E}(\mathr ...

Compute current \( I_{1} \) in the circuit shown below. Assume: \[ \begin{array}{l} V_{B E}(\mathrm{om})=0.7 \mathrm{~V}, V_{C E}(\mathrm{sat})=0.2 \mathrm{~V}, \beta=100 \\ V_{C C 1}=10 \mathrm{~V}, V_{C C 2}=2.3 \mathrm{~V}, R_{C}=0.39 \mathrm{k} \Omega_{t} R_{E}=0.1 \mathrm{k} \Omega, R_{B}=1.01 \mathrm{k} \Omega \end{array} \]