SELECT SUM(cust_bill_pkg.setup)
FROM cust_bill_pkg, cust_bill, cust_pkg, part_pkg
WHERE cust_bill.invnum = cust_bill_pkg.invnum
SELECT SUM(cust_bill_pkg.setup)
FROM cust_bill_pkg, cust_bill, cust_pkg, part_pkg
WHERE cust_bill.invnum = cust_bill_pkg.invnum