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.
Vitamin deficiency, diabetes, and kidney failure are among the medical causes of tingling in the hands and feet due to nerve damage. Taking certain medications can also cause tingling in the hands and feet. Other potential causes of peripheral neuropathy include autoimmune diseases, toxins, alcoholism, and infections. Medically Reviewed by a Doctor on 3/6/2017.