Right now, we offer a FREE SHIPPING option in our store for any order over $30.00, as long as it's going to the USA or Canada.

Is there a way to have us change the value so that Free Shipping to Canada is only offered for orders $100.00 or more, but still remain the same $30.00 limit for USA?

Basically, we have it set up now so that the free shipping option is displayed for a certain ZONE, and that ZONE has only USA and Canada in there. I need a way to still offer free shipping in both places, but to have a higher limit for our Canadian customers.

Can this be done within the built-in shipping modules?