5. Walley's Washeteria sells laundry supplies in the laundromat. At the end of the accounting period, the owner closes the store in order to calculate COGS and to count inventory that is on hand. COGS and inventory on hand is not readily available throughout the accounting period. This is an example of what type of inventory system? A. Periodic C. Specific Identification B. Perpetual D. None of the above