A Perfume Is Sold at Target Canada for $79

A perfume is sold at Target Canada for $79.99 plus HST (13%) . The same perfume is sold at Target USA for $74.99 plus 8% Value Added Tax (VAT) . By what percentage (based on Canadian price) is perfume cheaper in the United States? Use the exchange rate of US$0.966 per C$.

A) 10.4%
B) 7.2%
C) 6.3%
D) 2.95%
E) 5.9%