This represents the percentage of each dollar of a company's revenue available after accounting for cost of goods sold. 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.
The causes of burning feet are numerous and varied, ranging from simple fatigue to more serious conditions such as a nerve damage or circulatory issues. Therefore, the underlying cause should be diagnosed as soon as possible to avoid long-term damage and morbidity.
1 Erythromelalgia is a circulatory disorder that can also cause burning feet. 2  Mechanical overload, especially if the patient is overweight and was standing up for long periods of time. 3  Reflex sympathetic dystrophy. 4  Fungal infection or Athleteâs foot is one of the most common causes of burning sensation in the feet.here are a number of reasons why burning feet occur. 1  Diabetes is one of the most common reasons. 2  This is because diabetes often results in polyneuropathies, especially affecting the extremities.