Chapter 6, Problem 18E

(a)

To determine

Perpetual Inventory System: Perpetual Inventory System refers to the inventory system that maintains the detailed records of every inventory transactions related to purchases and sales on a continuous basis. It shows the exact on-hand-inventory at any point of time.

Periodic Inventory System: It is a system in which the inventory is updated in the accounting records on a periodic basis such as at the end of each month, quarter or year. In other words, it is an accounting method which is used to determine the amount of inventory at the end of each accounting period.

Inventory cost flow: It refers to the flow (movement) of inventory when it is purchased or sell by the business organization.

The various inventory cost flow methods are:

• First-in, first-out (FIFO)
• Last in, first-out (LIFO)
• Average-cost

FIFO method: In FIFO method, those goods are sold first which are purchased first by the business organization.

LIFO method: In LIFO method, those goods are sold first which are purchased in last by the business organization

Average-cost method: In average-cost method, the value of inventory is calculated by the average of cost of goods sold which are available for the sale purpose for that period.

To determine: The amount of ending inventory under FIFO, LIFO, and Moving-average cost.

(b)

To determine

Compare results of part (a) with results of E6-4.

(c)

To determine

The method which will provide same amount of ending inventory under periodic and perpetual inventory system, and the method which will provide different ending inventory under both inventory system.