Figure C shows that the voltage and current of the current source are in the same direction, the absorbed power is 15x2=30W, the resistance current 3A, the voltage and current are in the same direction, the absorbed power is 15x3=45W, the output current of the voltage source is 2+3=5A, the voltage and current directions are different (the voltage is positive and the current is negative, and the current is from bottom to top), and the output power is