In the figure the battery has potential difference V = 11.0 V, C2 = 3.10 μF, C4 = 4.80 μF, and all the capacitors are initially uncharged. When switch S is closed, a total charge of 10.0 μC passes through point a and a total charge of 9.00 μC passes through point b. What are (a) C1 and (b)C3?