Perpetual Inventory Using The method of inventory costing based on the assumption that the costs of merchandise sold should be charged against revenue in the order in which the costs were incurred.FIFO

Beginning inventory, purchases, and sales data for portable DVD players are as follows:

June 1		Inventory	240 units at $78
10		Sale	180 units
15		Purchase	280 units at $80
20		Sale	220 units
24		Sale	90 units
30		Purchase	320 units at $86

The business maintains a perpetual inventory system, costing by the first-in, first-out method.

a. Determine the cost of the merchandise sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 4. Under FIFO, if units are in inventory at two different costs, enter the units with the LOWER unit cost first in the Cost of Merchandise Sold Unit Cost column and in the Inventory Unit Cost column.

Cost of the Merchandise Sold Schedule
First-in, First-out Method
Portable DVD Players
Date	Quantity Purchased	Purchases Unit Cost	Purchases Total Cost	Quantity Sold	Cost of Merchandise Sold Unit Cost	Cost of Merchandise Sold Total Cost	Inventory Quantity	Inventory Unit Cost	Inventory Total Cost
June 1							240	$78	$18,720
June 10					$	$
June 15		$	$
June 20
June 24
June 30
June 30	Balances					$			$