Table:
text: Income in the United Kingdom
Sources of income
Sources of income
Region Employment_salaries_wages Self_employed Investment_income Working_tax_credit State_pensions Occupational_pensions Disability_benefits Other_social_security_benefits Other_income_sources
West Midlands 62% 8% 3% 2% 8% 6% 2% 5% 3%
Eastern England 56% 22% 2% 1% 5% 7% 1% 3% 2%
London 71% 10% 2% 1% 4% 4% 1% 5% 3%
South East 66% 9% 4% 1% 7% 8% 1% 4% 2%
South West England 60% 9% 4% 1% 7% 10% 2% 4% 2%

Question: In the UK, what is the East of England region with investment income sources?