...is:
SELECT J.JB_JobBidNo, J.JB_JoborBid, J.JBT_EmpNum, E.EM_FirstName, E.EM_LastName, Sum(J.JBT_WorkHrs) AS HbE, E.EM_Wage, (Sum(J.JBT_WorkHrs)*E.EM_Wage) AS Tot
FROM EM_Emp AS E INNER JOIN JBT_EmpTime AS J ON E.EM_EmpNumber = J.JBT_EmpNum
WHERE J.JB_JobBidNo=[Forms]![frmMenu]![txtJobNum] and...