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1 GARETH AND ANGELA (a) Gareth's income for the tax year 2019/20 comprised the following: State retirement pension 6,426 Pension from former employer 17,255 Building society interest 4,185 National lottery winnings 10,000 Required: Calculate Gareth's income tax liability for the tax year 2019/20. (9 marks) (b) Angela's income and expenditure for the tax year 2019/20 comprised the following: State retirement pension 8,126 Dividends 88,889 NS&I Investment account interest 9,205 Charitable donation under the gift aid scheme 2,000 Required: Calculate Angela's income tax liability for the tax year 2019/20