Cfa level 1 dec'12 study discussions

Plz explain the following with an example
a) Deferred tax assets
b) Impairment in PPE

If you are planning ahead for the CFA Level1 - June 2013, discuss here

http://www.pagalguy.com/discussions/cfa-level-1-june-2013-25084272/3594541

200 pages of FSA done in 5 days

Are the Kaplan Scheweser books the same for June 2012 and Dec 2012 L1 exams?

They look like the same: purchased from a Xerox shop @ churchgate a week back.

Eg: Both are having similar cover (Green cover)....