If a company produces phones and earns $32 million in sales but pays $24 million for the items sold, then the company's gross profit margin would be ($32M - $24M) / $32M = 25 percent.
Some types of leg pain can be traced to problems in your lower spine. Leg pain can also be caused by blood clots, varicose veins or poor circulation. Some common causes of leg pain include: 1  Achilles tendinitis. 2  Achilles tendon rupture. 3  ACL injury. 4  Baker's cyst. 5  Bone cancer. 6  Broken leg. 7  Bursitis.
Several Options.: A burning sensation in the leg can be due to several factors but most commonly due to nerve irritation. Sometimes, an inflammation of the vein can cause a similar symptom but this is usually associated with pain along the course of the vein. This would not be due to a vein breaking or trying to break.