Answer
$\dot{S}_{gen}=0.016\ W/K$
$\dot{S}_{left}=0.378\ W/K$
$\dot{S}_{right}=0.394\ W/K$
Work Step by Step
From the entropy balance:
$\dfrac{\dot{Q_i}}{T_i}-\dfrac{\dot{Q}_e}{T_e}+\dot{S}_{gen}=0$
Given $T_e=279\ K,\ T_i=291\ K,\ \dot{Q}_i=\dot{Q}_e=110\ W$
$\dot{S}_{gen}=0.016\ W/K$
For the glasses:
$\dot{S}_{left}=\dot{S}_{i}=0.378\ W/K$
$\dot{S}_{right}=\dot{S}_{e}=0.394\ W/K$