All of my queries are select. Here is the SQL from the query that does work
SELECT tblSSCN.SSCN_Number, tblSSCN.SSCNTitle, tblDates.actual_proposal, tblContracts.ContractName, Abs([tblDollars]![prop_price]) AS [Proposed Price], [actual_proposal]-IIf([tblMod.TypeLetter] In...