Go to the Metadata > Sales section, to the Price tab
Click on the Add button
Select the currency
Enter the amount
Select the format to which you want to apply the price
Enter the sales start date in the Starts On field (usually the availability date or the pre-order date)
If desired, enter an end date in the Ends On field (for example, in the case of a promotional sale); if this is the regular price of the publication, leave this field blank
Click Save
When selecting the currency, all countries that accept this currency will be selected automatically. If you wish to further restrict the sale, simply uncheck the countries that you do not want included.
