In the circuit shown below, $V_5 = 100 V$, $R_1 = 30 \Omega$, $R_2 = 60 \Omega$, $R_3 = 90 \Omega$, $R_4 = 45 \Omega$, and $R_5 = 30 \Omega$. The current flowing through resistor $R_3$ is \(\underline{\hspace{1cm}}\) A. (rounded off to two decimal places)
