       <f:convertNumber pattern="#,##0.00"/>
                                    </h:outputLabel>

                                </p:column>
                                <p:column headerText="Comments" >
                                    <h:outputLabel rendered="#{bill.refundedBill ne null}" value="#{bill.refundedBill.comments}" >
                                    </h:outputLabel>
                                    <h:outputLabel  rendered="#{bill.cancelledBill ne null}" value="#{bill.cancelledBil