How do i get the grand total of the NANDCOST + LOGGERCOST + SECURITY COST
My code.
<body>
    <form id="form1" runat="server">
        <div>
            <table align="center" border="1px" style="width: 811px">
                <tr>
                    <td align="center" class="style4"
                        style="font-size: large; color: #006699; font-family: Cambria; font-weight: bold;">
                        <table style="width: 100%; height: 7px; color: #FFFFFF; background-color: #000099;"
                            bgcolor="#0066CC">
                            <tr>
                                <td style="background-color: #336699" class="style5" align="right"> 
                                    <asp:LinkButton ID="LinkButton2" runat="server" ForeColor="White"
                                        PostBackUrl="H1.aspx">Home</asp:LinkButton>
                                     |  <asp:LinkButton
                                        ID="LinkButton1" runat="server" ForeColor="White"
                                        PostBackUrl="Lgin.aspx" OnClick="LinkButton1_Click">Sign out</asp:LinkButton>
                                     </td>
                            </tr>
                        </table>
                        <br />
                        <br />
                                                                          <br />
                        <br />
                        <br />
                        REPORT FOR  ALL  WORK TICKET  CATEGORY FROM   
                        <asp:Label ID="Label112" runat="server"></asp:Label>
                           TO  
                        <asp:Label ID="Label113" runat="server"></asp:Label>
                        <br />
                        <br />
                        <br />
                        <br />
                        <br />
                        <table border='1'
                            style="width: 1012px; font-family: Cambria; font-size: 15px; font-size: smal1; font-weight: normal;">
                            <tr>
                                <td class="style8">S/N</td>
                                <td class="style9">QUERYDATE</td>
                                <td class="style19">NAND</td>
                                <td class="style20">
                                    <b>COST </b> </td>
                                <td class="style19">LOGGER</td>
                                <td class="style20">
                                    <b>COST </b> </td>
                                <td class="style19">SECURITY</td>
                                <td class="style20">
                                    <b>COST </b> </td>
                            </tr>
                            <% 
                        // SqlCommand scz = new SqlCommand("SELECT DATENAME(dw, Time1)+', '+CONVERT(VARCHAR(12), Time1, 107) as Query_Date, COUNT(Exact) AS NAMPAK,Exact = SUM(Exact),N_MCOST = SUM(Exact) * MAX(Value)
                        FROM
                        MealLog WHERE Company = 'NAMPAK' GROUP BY Time1 ORDER BY Time1 ASC ", dbConn);;
                        SqlCommand scz = new SqlCommand("DECLARE @DynamicPivotQuery AS NVARCHAR(MAX) SET @DynamicPivotQuery =N';WITH cte AS (SELECT ROW_NUMBER() OVER(ORDER BY (SELECT 0)) ''S/N'', Datename(dw, Time1)+'', '' + CONVERT(VARCHAR(12), Time1, 107) QUERYDATE, NAND, NAND * (SELECT TOP 1 Value FROM [MealLog] WHERE Company = ''NAND'') NANDCOST,LOGGER, LOGGER * (SELECT TOP 1 Value FROM [MealLog] WHERE Company = ''LOGGER'') LOGGERCOST,SECURITY, SECURITY * (SELECT TOP 1 Value FROM [MealLog] WHERE Company = ''SECURITY'') SECURITYCOST FROM (SELECT Time1,Exact,Company from MealLog) t pivot ( MAX(Exact) FOR Company IN ([LOGGER],[NAND],[SECURITY])) piv) SELECT CAST([S/N] AS VARCHAR(10)) [S/N],QUERYDATE,NAND,NANDCOST,LOGGER,LOGGERCOST,SECURITY,SECURITYCOST FROM cte UNION SELECT ''TOTAL'','''',SUM(CAST(NAND AS BIGINT)),SUM(CAST(NANDCOST AS BIGINT)),SUM(CAST(LOGGER AS BIGINT)),SUM(CAST(LOGGERCOST AS BIGINT)),SUM(CAST(SECURITY AS BIGINT)),SUM(CAST(SECURITYCOST AS BIGINT)) FROM cte' EXEC (@DynamicPivotQuery) ", dbConn);
 
                        scz.CommandType = CommandType.Text;
                        dbConn.Open();
                        SqlDataReader sdz = scz.ExecuteReader();
                        int ct = 1;
                        while (sdz.Read())
                        {
                        Response.Write("<tr style><td class='style2'>" + ct + "</td><td class='style2'>" + sdz["QUERYDATE"].ToString() + "</td><td class='style5'>" + sdz["NAND"].ToString() + "</td><td class='style5'>" + "₦" + sdz["NANDCOST"].ToString() + "</td> <td class='style5'>" + sdz["LOGGER"].ToString() + "</td><td class='style5'>" + "₦" + sdz["LOGGERCOST"].ToString() + "</td><td class='style5'>" + sdz["SECURITY"].ToString() + "</td><td class='style5'>" + "₦" + sdz["SECURITYCOST"].ToString() + "</td></tr>");
                        ct++;
                        }
                        dbConn.Close();%>                            
                            <tr style="font-size: small; font-weight: normal; font-style: normal; font-family: Arial, Helvetica, sans-serif">
                                <td class="style22"></td>
                                <td class="style23">Total</td>
                                <td class="style6">
                                    <asp:Label ID="Label2"
                                        runat="server" Font-Bold="True" ForeColor="#3366CC"></asp:Label>
                                </td>
                                <td class="style21">
                                    <asp:Label ID="Label1"
                                        runat="server" Font-Bold="True" ForeColor="#3366CC"></asp:Label>
                                </td>
                                <td class="style13">
                                    <asp:Label ID="Label3"
                                        runat="server" Font-Bold="True" ForeColor="#3366CC"></asp:Label>
                                </td>
                                <td class="style22">
                                    <asp:Label ID="Label4"
                                        runat="server" Font-Bold="True" ForeColor="#3366CC"></asp:Label>
                                </td>
                                <td class="style22">
                                    <asp:Label ID="Label7"
                                        runat="server" ForeColor="#3366CC" Font-Bold="True"></asp:Label>
                                </td>
                                <td class="style21">
                                    <asp:Label ID="Label8"
                                        runat="server" ForeColor="#3366CC" Font-Bold="True"></asp:Label>
                                </td>
                            </tr>
                        </table>
                        <asp:Label ID="LabelF"
                            runat="server" ForeColor="#3366CC"></asp:Label>
                        <br />
                        <asp:Label ID="Label60" runat="server" ForeColor="#3366CC"></asp:Label>
                        <table border="1" style="width: 100%;">
                            <tr>
                                <td class="style16">GRAND TOTAL FOR NANDCOST+LOGGERCOST+SECURITYCOST</td>
                                <td class="style15">₦<asp:Label ID="Label114" runat="server" Font-Bold="True" Font-Size="Large"></asp:Label>
                                </td>
                            </tr>
                        </table>
                    </td>
                </tr>
            </table>
        </div>
    </form>
</body>
Please help