The gross profit method is an inventory tracking system that shows the cost and gross profit margin on each time. The gross profit method allows a company to see how much money they would profit from their inventory on hand after they subtract the cost of good solve (COGS). Businesses can choose to do this daily, weekly, monthly or yearly depending on their business and accounting/book keeping needs. Each type of business has periods and those periods are what mades them stay on track with accounting.