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.
Neuropathy: Burning sensation in the legs could be due to peripheral neuropathy or deficiencies of potassium,calcium or magnesium or vitamin b12, These don't usually cause burning in the abdominal region,however. If symptoms persist,see your Physician who will examine you and order the appropriate tests. ...Read more.