$stock_current{$stock_change_data_ref->{'inventory_item_id'}} += $stock_change_data_ref->{'Qty_Change'};
        if ($stock_current{$stock_change_data_ref->{'inventory_item_id'}} < $stock_minimum{$stock_change_data_ref->{'inventory_item_id'}}){
            $stock_minimum{$stock_change_data_ref->{'inventory_item_id'}} = $stock_current{$stock_change_data_ref->{'inventory_item_id'}};
        }