http://www.cic.gc.ca/english/information/fees/fees.asp
RPRF - $490
Principal applicants (with some exceptions) and spouses and common-law partners coming with them to Canada must pay this fee. Applicants must pay this fee before CIC issues the permanent resident visa or before the applicant becomes a permanent resident in Canada.
These people do not have to pay this fee:
dependent children of a principal applicant or sponsor, a child to be adopted, or an orphaned brother, sister, niece, nephew or grandchild; and
protected persons, including Convention refugees.
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So $490 X2