Inventory is normally recorded at cost. Sometimes, however, it loses value. It may become obsolete, or see an increase in competitive offerings, or may enjoy less demand in the marketplace.
When the value of inventory goes down, the value on its owners books also has to go down.
The lower of cost or net realizable value is one such method. Do note, however it cannot be used for LIFO or retail inventory method systems.
The net realizable value is the expected selling price minus the costs to complete the sale (such as sales commissions).
There are two methods for recording a writedown via journal entries:
Here's what you know:
The item was originally purchased for $150.
The item can now be sold for $100.
The managers believe it will take an additional $8 to sell.