应该是75+475+550=1100,所以你交钱的总数是对的,CIC的人有不知道你是怎么做的加法,只要总数对就没事。
75 是你作为sponsor申请的费用
475 是你父亲作为主申请人申请的费用。
550 是你母亲作为副申请人申请的费用。
http://www.cic.gc.ca/english/pdf/kits/guides/5196E.PDF 第25页:
You must pay the following processing fees when you submit your sponsorship application:
$75 for the sponsor;
你
$475 for a principal applicant (the person being sponsored) who is 22 years of age or older, or who is married or in a common-law relationship, regardless of age;
你父亲
$75 for a principal applicant who is under 22 years of age and not married or in a common-law relationship;
$550 for each accompanying family member who is 22 years of age or older, or who is married or in a common-law relationship, regardless of age; and
你母亲
$150 for each accompanying family member who is under 22 years of age and not married or in a common-law relationship.