Print this out so you can fill in the correct numbers before returning to Canada.
Dear Canadian Border Services Agency,
I have used this spreadsheet to provide an overview of the purchases I am bringing back to Canada. These purchases include:
____USD in food ( CAD)
____ USD in non-food items (___ CAD)
Note: Category totals may be slightly higher than what the overall total suggests, because the per-item prices do not reflect the total ________ USD in Discounts applied to the final bill on my Amazon purchases.