What are the branch currents I2 and I3?

• I2 = 4 mA, I3 = 2 mA
• I2 = 4.5 mA, I3 = 2.5 mA
• I2 = 2.5 mA, I3 = 1.5 mA
• I2 = 5.5 mA, I3 = 3.5 mA