<span class="fr-marker" data-id="0" data-type="true" style="display: none; line-height: 0;"></span><span class="fr-marker" data-id="0" data-type="false" style="display: none; line-height: 0;"></span>When using product-based cash groups with purchase data, the inventory value is also displayed. For product-based cash groups without purchase data, the inventory value cannot be displayed. Therefore, columns without inventory value also do not have known purchase data. By specifying a default margin for the product categories, it is used to calculate the inventory value.(administration -> product categories)