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.
Burning legs can result from a number of causes, including damage to nerves in the legs from exposure to extreme heat or cold or to toxic substances. Burning legs might also result from a circulation problem that impairs blood flow to the legs, a leg injury, or intense exercise.
Contents. 1  Burning Legs AND Muscle weakness: Causes of All Symptoms. 2  Burning Legs OR Muscle weakness: 4162 causes. 3  Burning Legs: Causes.  Burning Legs: 1  Introduction. Muscle weakness: 4150 causes.  Muscle weakness: 1  Introduction. Burning Legs and Muscle weakness and Muscle symptoms (19 causes) Burning Legs and Muscle weakness and Nerve symptoms (19 causes) Burning Legs and Muscle weakness and Movement symptoms (18 causes) Burning Legs and Muscle weakness and Sensory symptoms (18 causes) Burning Legs and Muscle weakness and Burning feet (17 causes)