"header">
                                <h:outputLabel value="Stock Value" />
                            </f:facet>
                            <h:outputLabel value="#{i.stock.stock*i.itemBatch.purcahseRate}">
                                <f:convertNumber pattern="#,##0.00" />
                            </h:outputLabel>
                            <f:facet name="footer">
                                <h:outputLabel value="#{pharmacySaleReportController.totalPurchaseValue}"
                         