1) Calculate the common-mode gain (CMG) of the amplifier in dB, assuming +Vcc = +15 V, -Vee = -15 V, $V_{BE}$ = 0.7 V, $V_T$ = 26 mV, $V_A$ = 110 V, $\beta$ = 200, $R_{ref}$ = 28.6 k$\Omega$, and $R_c$ = 10 k$\Omega$. Assume all transistors are matched.
2) Calculate the common-mode rejection ratio (CMRR) in dB.