Opportunity Cost Formula Table of Contents Opportunity Cost Formula. Cost of goods sold Beginning Inventories Cost of Goods Manufactured in a company Ending Inventories. Cost Of Goods Manufactured Formula Examples With Excel Template First we calculate Average Inventories. . Get 247 customer support help when you place a homework help service order with us. Cost of Goods Manufactured or Manufacturing Account calculations serve the following purposes. Costs are associated with particular goods using one of the several formulas including specific identification first-in first-out FIFO or average cost. These costs need to be divided strategically among all the products being manufactured and warehoused and are usually calculated on an annual basis. Lets calculate COGS using the formula above. Based on the COG formula the cost of goods sold will be. The cost of goods sold will be calculated on Form 1125-A. For