C1=7 micro-F C2=3 micro-F +--------||----------||----------------------+ | | ------+ C3=2 micro-F +------ | +--------||--------+ | | | | C5=4 micro-F | +------+ +--------||--------+ | C4=2 micro-F | +--------||--------+If the voltage across C5 is 2 V, what is the charge on C4? Give your answer to two decimal places.