I recently ordered 6 coty musk oil and it has been charged to my visa card in American funds i do not have the product and don't understand why it is charged in us funds when i ordered it from can?

I am waiting for a package of Coty Musk oil to 12 memorial crescent in guelph that has been charged to my visa card and i have not received it. it is charged in u.s. dollars and i ordered from Canada. my name is judith rosenberg