The diagram illustrates an electric circuit. $I_X$ represents the current in resistor X. $I_Y$ represents the current in resistor Y. Which statement describes the current supplied by the power supply?
- Agreater than $I_X$ and greater than $I_Y$
- Bgreater than $I_X$ and less than $I_Y$
- Cless than $I_X$ and greater than $I_Y$
- Dless than $I_X$ and less than $I_Y$