10% of the difference,http://www.thesource.ca/estore/product.aspx?language=en-CA&catalog=Online&category=playstation-4-accessories&product=8023290
I'm planning to price match at futureshop for an extra 10%
One time I bought a keyboard at Futureshop and the cashier took off 10% of the total price, saved like $10!10% of the difference,
64.99 - 39.99 = 25
10% of 25 = 2.5