for applying OWP, you should pay a total of $255
$100 for open permit holder fee and,
$155 for work permit fee
http://www.cic.gc.ca/english/helpcentre/answer.asp?qnum=1361&top=4
$100 for open permit holder fee and,
$155 for work permit fee
http://www.cic.gc.ca/english/helpcentre/answer.asp?qnum=1361&top=4