A 5kg book is placed on a 2.5m high shelf, how much G. P.E. has the book gained?

Amagnetically soft material is placed in a strong magnetic field. what is the most likely outcome? it will become a permanent magnet because the domains will remain aligned. it will become a temporary magnet because the domains will remain aligned. it will become a permanent magnet because the domains will easily realign. it will become a temporary magnet because the domains will easily realign.