Inventory Management: Costing Methods & Journal Entries
Perpetual Inventory System
The perpetual inventory system continuously updates inventory records to reflect purchases, sales, and returns.
Inventory Costing Methods
Gross Profit Method
Estimates the cost of goods sold based on the gross profit percentage and net sales.
Specific Identification
Tracks the cost of each individual item sold and remaining in inventory.
Weighted-Average Method
Calculates the average cost per unit and applies it to both cost of goods sold and ending inventory.
First-In, First-Out (FIFO)
Assumes that the first items purchased are the first ones sold.
Last-In, First-Out (LIFO)
Assumes that the last items purchased are the first ones sold.
Journal Entries
Purchase on Account
Debit Merchandise Inventory and credit Accounts Payable.
Sale on Account
Debit Accounts Receivable and credit Sales Revenue. Debit Cost of Goods Sold and credit Merchandise Inventory.
Special Journals
Cash Receipts Journal
Records all cash received by the business.
Cash Payments Journal
Records all cash paid out by the business.
Purchases Journal
Records all purchases of merchandise on account.
Sales Journal
Records all sales of merchandise on account.
Retail Method of Inventory Estimation
Estimates the cost of ending inventory based on the ratio of cost to retail price.
Accounting Principles
Consistency
Using the same accounting methods from period to period for comparability.
Conservatism
Anticipating and accounting for potential losses, but not gains.
Natural Business Year
A fiscal year that aligns with the natural cycle of the business, often ending when inventory is lowest.