- Go to *Inventory / Inventory Control / Inventory Revaluation* to create a
  new Inventory Revaluation.
- For products set with average/standard price, and automated valuation, go
  to the Product form and use the "Update Cost" link to change the standard
  price.
- In order to post the inventory revaluation for multiple items at once,
  select the records in the tree view and go to
  *Action / Post Inventory Revaluations*.
- To set default valuation increase/decrease accounts by product category, go
  to  *Inventory / Configuration / Product Categories*
