Hantavirus is a virus that is found in the urine, saliva, or droppings of infected deer mice and some other wild rodents (cotton rats, rice rats in the southeastern Unites States and the white-footed mouse and the red-backed vole).It causes a rare but serious lung disease called Hantavirus pulmonary syndrome (HPS).antavirus is a virus that is found in the urine, saliva, or droppings of infected deer mice and some other wild rodents (cotton rats, rice rats in the southeastern Unites States and the white-footed mouse and the red-backed vole).
The average gross profit for convenience stores in 2009 was about $477,894. About 20 percent of convenience stores do not sell motor fuel that provides a gross profit margin of only about 6.4 percent.
Once you have decided on the retail pricing of your products, compare the sales prices with the wholesale costs to determine your expected profit margin. Profit margin can be listed both in dollar terms and as a percentage. For example, a product will sell for $25 each and your wholesale cost is $10.The profit margin will be $15 per sale. As a percentage, the profit margin is 15 divided by 25, or 60 percent. Profit margin is always calculated from the retail price and is the money coming in to run your business.nce you have decided on the retail pricing of your products, compare the sales prices with the wholesale costs to determine your expected profit margin. Profit margin can be listed both in dollar terms and as a percentage. For example, a product will sell for $25 each and your wholesale cost is $10.