SELECT investment_income FROM table_name_39 WHERE occupational_pensions = "7%" AND working_tax_credit = "2%" AND other_social_security_benefits = "6%"
Pensiun pekerjaan sebesar 7%, dan kredit pajak kerja sebesar 2%, dan tunjangan jaminan sosial lainnya 6%memiliki pendapatan investasi apa?
CREATE TABLE table_name_39 (investment_income VARCHAR, other_social_security_benefits VARCHAR, occupational_pensions VARCHAR, working_tax_credit VARCHAR)