Hence their cost of sales is extremely low, leading to high gross profit margins.
To see how gross profit margins can't always hold up in the long term, take a look at the airlines.
Many brokerage firms also have research tools you can use.
Vendors Negotiate with your vendors.
So first, we need to calculate Gross Profit.
An Example of Gross Profit Margin Usage Analysts use gross profit margin to compare a company's business model with that of its competitors.