sales amount for customer (RA Headers/Lines) Revenue tracked from Invoices

SELECT hp.party_name customer_name, rt.NAME payment_terms,      

       sum(lgd.amount)

  FROM ra_customer_trx_all rct,

       ra_cust_trx_types_all rctt,

       hz_cust_accounts_all hca,

       ra_customer_trx_lines_all rctl,

       ra_customer_trx_lines_all tax_rctl,

       ra_customer_trx_lines_all fr_rctl,

       ra_terms rt,

       hz_parties hp,

       ra_cust_trx_line_gl_dist_all lgd,

       ra_customer_trx_lines ctl_line,

       ar_lookups al_class,

       ar_lookups al_type,

       ra_rules rr

 WHERE rctt.cust_trx_type_id = rct.cust_trx_type_id

   AND rct.sold_to_customer_id = hca.cust_account_id

   AND rct.customer_trx_id = rctl.customer_trx_id

   AND tax_rctl.customer_trx_id(+) = rct.customer_trx_id

   AND tax_rctl.line_type(+) = 'TAX'

   AND fr_rctl.customer_trx_id(+) = rct.customer_trx_id

   AND fr_rctl.line_type(+) = 'FREIGHT'

   AND hca.account_number = 12345

   AND rct.trx_date between to_date('01-JAN-2015','DD-MON-YYYY')and to_date('30-JUN-2015','DD-MON-YYYY')

   AND rct.term_id = rt.term_id

   AND hp.party_id = hca.party_id

   AND lgd.customer_trx_line_id = rctl.customer_trx_line_id (+)

   --AND rct.customer_trx_id = 7451947

   AND rctl.link_to_cust_trx_line_id =ctl_line.customer_trx_line_id(+)

   AND al_class.lookup_type = 'AUTOGL_TYPE'

   AND al_class.lookup_code = lgd.account_class

   AND al_type.lookup_type (+)= 'STD_LINE_TYPE'

   AND al_type.lookup_code (+) = rctl.line_type

   AND rctl.accounting_rule_id = rr.rule_id (+)

   AND lgd.account_class = 'REV'  

   group by hp.party_name, rt.NAME