Vs$1=35$ V$,$ Vs$2=20$ V$,$ R$1=3$ Ohm, R$2=9$ Ohm, R$3=6$ Ohm, R$4=6$ Ohm, R$5=4\mathrm{.}5$ Ohm. Using mesh analysis, find the following currents and voltages. $($a$)$ Find the mesh current $"$ia$"$ in the direction of the arrow. $($Unit: A$)$ Tries $0/5($b$)$ Find the mesh current $"$ib$"$ in the direction of the arrow. $($Unit: A$)$ Tries $0/5($c$)$ Find the mesh current $"$ic$"$ in the direction of the arrow. $($Unit: A$)$ Tries $0/5($d$)$ Find the absolute value of the voltage across R$2.($Unit: V$)$ Tries $0/5($e$)$ Find the absolute value of the voltage across R$3.($Unit: V$)$