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.
Causes of Similar Symptoms to Burning Legs. Research the causes of these symptoms that are similar to, or related to, the symptom Burning Legs: 1  Foot pain (206 causes). 2  Tingling feet (54 causes). 3  Tingling toes (16 causes). 4  Burning toes. 5  Leg pain (214 causes). 6  Leg symptoms (2751 causes). 7  Foot symptoms (2265 causes). 8  Toe symptoms (1171 causes).