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.
Although there is no average gross profit margin for a small retail business, many small businesses operate within the parameters of having between a gross profit margin of 25 percent and 35 percent. It is important to remember that when operating expenses rise, it becomes necessary to increase the gross profit margin.