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mysql left join sum dos tablas con rollup

Aquí está el escenario de detalles:

Con datos dados:

select a.title_id,  sum(revenue), sum(cost),sum(interest) from
(select a.title_id,  sum(revenue) as revenue, sum(cost) as cost from
(select  1 title_id, 10 revenue , 5 cost UNION all
select 2,   10,  5 UNION all
select 3,   10,  5 UNION all
select 4,   10,  5 UNION all
select 1,   20,  6 UNION all
select 2,   20,  6 UNION all
select 3,   20,  6 UNION all
select 4,   20,  6) as a
GROUP BY title_id) as a

left JOIN

(select title_id, sum(interest) as interest from
(select 1 as title_id, 10 as interest UNION all
select 2,   10 UNION all
select 3,  10 UNION all
select 4,   10 UNION all
select 1,  20 UNION all
select 2,  20 UNION all
select 3, 20 UNION all
select 4,  20) as b
GROUP BY title_id ) as b
on a.title_id = b.title_id 
GROUP BY a.title_id
with ROLLUP

resultado:

1   30  11  30
2   30  11  30
3   30  11  30
4   30  11  30
    120 44  120

estructura de consulta final:

select a.title_id,  sum(revenue), sum(cost),sum(interest) from
(select a.title_id,  sum(revenue) as revenue, sum(cost) as cost from
(select * from revenue) as a
GROUP BY title_id) as a

left JOIN

(select title_id, sum(interest) as interest from
(select * from fund) as b
GROUP BY title_id ) as b
on a.title_id = b.title_id 
GROUP BY a.title_id
with ROLLUP