Find the current through R0 if R0R0 R_0 = 4,3 Ω, R1R1 R_1 = 3,7 Ω, R2R2R_2 = 4,1 Ω, R3R3R_3 = 9,6 Ω, E0ℰ0 ℰ_0 = 8,1 V, E1ℰ1 ℰ_1 = 5,4 V, the sources are ideal.