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.
Hard lump under skin can be caused by a common condition called angioedema, an allergic reaction that causes deep welts to form under the skin, specifically by the lips and eyes. The reaction can be triggered by some foods and medications. Cysts and nodules can as well be the cause of hard bumps on your face.