Updating PBL Session 1 (What I do not know about this case/problem?)

too much ....
lot of thing dat i do not know baut dis case..
why??????
haaaa... firstly.. read it!!! apos.. u will not understand it forever if don't read..!
so..U MUST READ!!!!!
15 minute ago..
i already read it.. from zero to somethink..okla..
but still not understand very well..especialy about the Point of sales, CESE, and about the feasibility study..
in CASE.. how can i relate it with the problem.. urmm...hope dat manual can help me..PLEASEEE......