(F) INVENTORIES

Inventories are stated at the lower of average cost (including applicable material, labor, depreciation, and plant overhead) or net realizable value. Raw Materials and Materials-in-Progress include clinker, which is an intermediary product before it is ground into cement powder. Quantities of Raw Materials and Materials-in-Progress, Aggregates, and Coal inventories, are based on measured volumes, subject to estimation based on the size and location of the inventory piles, and are converted to tonnage using standard inventory density factors. Inventories consist of the following: