To check whether periods of AP/AR/GL/FA/PO is closed?

SELECT (SELECT sob.NAME
FROM gl.gl_sets_of_books sob
WHERE sob.set_of_books_id = a.set_of_books_id) "SOB_Name",
a.period_name "Period_Name", a.period_num "Period_Num",
a.gl_status "GL_Status", b.po_status "PO_Status",
c.ap_status "AP_Status", d.ar_status "AR_Status",
e.fa_status "FA_Status"
FROM (SELECT period_name, period_num,
DECODE (closing_status,
'O', 'Open',
'C', 'Closed',
'F', 'Future',
'N', 'Never',
closing_status
) gl_status,
set_of_books_id
FROM gl.gl_period_statuses
WHERE application_id = 101
AND UPPER (period_name) = UPPER ('&period_name')
AND set_of_books_id ='&sob' ) a,
(SELECT period_name,
DECODE (closing_status,
'O', 'Open',
'C', 'Closed',
'F', 'Future',
'N', 'Never',
closing_status
) po_status,set_of_books_id
FROM gl.gl_period_statuses
WHERE application_id = 201
AND UPPER (period_name) = UPPER ('&period_name')
AND set_of_books_id ='&sob' ) b,
(SELECT period_name,
DECODE (closing_status,
'O', 'Open',
'C', 'Closed',
'F', 'Future',
'N', 'Never',
closing_status
) ap_status,set_of_books_id
FROM gl.gl_period_statuses
WHERE application_id = 200
AND UPPER (period_name) = UPPER ('&period_name')
AND set_of_books_id ='&sob' ) c,
(SELECT period_name,
DECODE (closing_status,
'O', 'Open',
'C', 'Closed',
'F', 'Future',
'N', 'Never',
closing_status
) ar_status,set_of_books_id
FROM gl.gl_period_statuses
WHERE application_id = 222
AND UPPER (period_name) = UPPER ('&period_name')
AND set_of_books_id ='&sob') d,
(SELECT fdp.period_name,
DECODE (fdp.period_close_date,
NULL, 'Open',
'Closed'
) fa_status,fbc.set_of_books_id
FROM fa.fa_book_controls fbc, fa.fa_deprn_periods fdp
WHERE fbc.set_of_books_id ='&sob'
AND fbc.book_type_code = fdp.book_type_code
AND UPPER (fdp.period_name) = UPPER ('&period_name')) e
WHERE a.period_name = b.period_name(+)
AND a.period_name = c.period_name(+)
AND a.period_name = d.period_name(+)
AND a.period_name = e.period_name(+)
AND a.set_of_books_id=b.set_of_books_id(+)
and a.set_of_books_id=c.set_of_books_id(+)
and a.set_of_books_id=d.set_of_books_id(+)
and a.set_of_books_id=e.set_of_books_id(+)
ORDER BY 1