For the four capacitors in the circuit shown in the figure below, CA = 1.00 µF, CB = 4.10 µF, CC = 2.10 µF, and CD = 3.10 µF. What is the equivalent capacitance between points a and b?

Question

For the four capacitors in the circuit shown in the figure below, CA = 1.00 µF, CB = 4.10 µF, CC = 2.10 µF, and CD = 3.10 µF. What is the equivalent capacitance between points a and b? 
www.webassign.net/katzpse1/27-p-030.png