The most commonly used inventory valuation methods under a perpetual system are: 1  first-in first-out (FIFO) 2  last-in first-out (LIFO) 3  highest in,first out (HIFO) 4  average cost or weighted average cost.
More Information About Eyebrow lump. List of 6 causes of Eyebrow lump. This section shows a full list of all the diseases and conditions listed as a possible cause of Eyebrow lump in our database from various sources. 1  Acne vulgaris. 2  Dermoid cyst. 3  Folliculitis.  Malignant melanoma.
Headaches and a stiff neck are the most common symptoms of problems in the tension triangle. Tense muscles in the jaw and neck cause headaches by constricting blood flow to the head and scalp.