I thought I had it, but when I use this, I get "currency not on a record"
SELECT * FROM (
select a.tp_no, c.name, a.state, b.eff_date, a.er_rate as 'Actual', b.er_rate as 'Billed',
(select MAX(e.eff_date)
from "PR_TSUTA" as d
left join CL_SUTA as e on(d.tp_no=e.loc_no)
left join...