Chapter 4, Problem 4.21P

The circuit parameters in figure P4-21 are $R_B=100\text{kΩ,}{R}_C=3.3\text{k}\Omega ,\beta =100,V_{\gamma }=0.7\text{V,}$ and $V_{CC}=15\text{V}\text{.}$ Find $i_C$ and $v_{CE}$ for $v_s=0.5\text{V}\text{.}$ Repeat for $v_S=4\text{V}$ and 6 V.