This question relates to NPV calc, it's question 3 in Specimen Paper from Nov 2009. Please see uploaded:
question
http://pdfcast.org/pdf/p1-specimen-papaer-question
answer
http://pdfcast.org/pdf/p1-specimen-paper-answer
I cannot figure out how did they come up with tax of 10% taken from carried forward amounts (second table in answer sheet). Anyone, any idea?