The answer IS NOT B

A 15-g paper clip is attached to the rim of a phonograph record with a diameter of 30 cm, spinning at 3.5 rad/s. The magnitude of its angular momentum is: 1.2 x 10-3 kg.m2/s 4.7 x 10-3 kg-m2/s 7.9 x 10 3 kg.m2/s 16x 10 2 kg.m2/s 1.2 kg.m2/s eTextbook and Media