outputText value="Net Amount" />
                                </f:facet>
                            </p:column>
                            <p:column headerText="ITEM NAME">
                                <h:outputText value="#{bi.item.name}" />
                            </p:column>
                            <p:column headerText="CODE">
                                <h:outputText value="#{bi.item.code}" />
                            </p:column>
                            <p:column headerText="G