In the circuit shown in the figure, the total charge is 750 $$\mu C$$ and the voltage across capacitor $$C_2$$ is 20 V. Then the charge on capacitor $$C_2$$ is:

A

$$450$$ $$\mu C$$

B

$$590$$ $$\mu C$$

C

$$160$$ $$\mu C$$

D

$$650$$ $$\mu C$$