A Long Solenoid (1500 Turns/m) Carries a Current of 20

A long solenoid (1500 turns/m) carries a current of 20 mA and has an inside diameter of 4.0 cm. A long wire carries a current of 2.0 A along the axis of the solenoid. What is the magnitude of the magnetic field at a point that is inside the solenoid and 1.0 cm from the wire?

A) 78 μT
B) 55 μT
C) 48 μT
D) 68 μT
E) 2.0 μT