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.
General problems in the eyes can also trigger eyebrow twitching. Dry eyes and eye strain can both cause the eyebrow to twitch. Dry eyes may be caused by age, overuse of the eye, or certain medications. Eye strain is also caused by overuse of the eyes, but it can also be caused by vision problems. Eye strain and dry eyes are very treatable, so talk to an eye doctor about symptoms for relief. Nutritional imbalances may also lead to eyebrow twitching.