Because of the dynamic relationship between the cost of goods sold and merchandise inventory, errors in inventory counts have a direct and significant impact on the financial statements of the company. Errors in inventory valuation cause mistaken values to be reported for merchandise inventory and cost of goods sold due to the toggle effect that changes in either one of the two accounts have on the other. As explained, the company has a finite amount of inventory that they can work with during a given period of business operations, such as a year. This limited quantity of goods is known as goods available for sale and is sourced from

1. beginning inventory (unsold goods left over from the previous period’s operations); and
2. purchases of additional inventory during the current period.

These available inventory items (goods available for sale) will be handled in one of two ways:

1. be sold to customers (normally) or be lost due to shrinkage, spoilage, or theft (occasionally), and reported as cost of goods sold on the income statement; OR
2. be unsold and held in ending inventory, to be passed into the next period, and reported as merchandise inventory on the balance sheet.
3. Fundamentals of the Impact of Inventory Valuation Errors on the Income Statement and Balance Sheet
   

Understanding this interaction between inventory assets (merchandise inventory balances) and inventory expense (cost of goods sold) highlights the impact of errors. Errors in the valuation of ending merchandise inventory, which is on the balance sheet, produce an equivalent corresponding error in the company’s cost of goods sold for the period, which is on the income statement. When cost of goods sold is overstated, inventory and net income are understated. When cost of goods sold is understated, inventory and net income are overstated. Further, an error in ending inventory carries into the next period, since ending inventory of one period becomes the beginning inventory of the next period, causing both the balance sheet and the income statement values to be wrong in year two as well as in the year of the error. Over a two-year period, misstatements of ending inventory will balance themselves out. For example, an overstatement to ending inventory overstates net income, but the next year, since ending inventory becomes beginning inventory, it understates net income. So over a two-year period, this corrects itself. However, financial statements are prepared for one period, so all this means is that two years of cost of goods sold are misstated (the first year is overstated/understated, and the second year is understated/overstated.)

In periodic inventory systems, inventory errors commonly arise from careless oversight of physical counts. Another common cause of periodic inventory errors results from management neglecting to take the physical count. Both perpetual and periodic updating inventory systems also face potential errors relating to ownership transfers during transportation (relating to FOB shipping point and FOB destination terms); losses in value due to shrinkage, theft, or obsolescence; and consignment inventory, the goods for which should never be included in the retailer’s inventory but should be recorded as an asset of the consignor, who remains the legal owner of the goods until they are sold.

Calculated Income Statement and Balance Sheet Effects for Two Years.

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Income Statement and Balance Sheet Effects for Two Years Sales Year 1 1000 Year 2 2000 Cost of goods ... View the full answer