A Conduit Run Is Installed from the ER to a TR

A conduit run is installed from the ER to a TR. It has two (2) 90 degree bend and a length of 20 m (65 ft) . What will be the MINIMUM test rating of the pull cord left in the conduit?

A) 20 kg (44 lb)
B) 40 kg (88 lb)
C) 60 kg (132 lb)
D) 90 kg (200 lb)
E) 100 kg (220 lb)