An efficient book sale?

I was always struck by the paradox of library book sale trucks: the act of pricing items for sale takes up the revenue to be gained by doing so. Now Evanced Solutions have applied the Amazon API to this problem:

MarkIt offers a new, unique service that can help your library and friends’ foundations raise more money with library book sales than ever before. It gives your staff and volunteers the information they need to mark materials at a price that is fair to buyers but competitive to the local market, and creates a global audience for those materials that don’t sell locally by selling them via Amazon.

My questions are: will this system calculate values in Canadian funds? Will it allow sales to