What effect has changes in Canada/USA Exchange Rates had on lumber? 1. Find the exchange rate data and include it in your essay 2. Locate and analyze the data over at least a decade (10 years' worth of data) on your subject area, examine the data (but try to be up-to-date too) 3. Looking for at least five (5) solid arguments. The focus needs to be on economic analysis (i.e. graphs, use material from text), can include some 'social' analysis too