1. Pauline (born August 1974) married Adrian (born March 1975) on 17 October 2022. Their income for 2022-23 is as follows: Pauline: Share of partnership profit Building society interest Adrian: Income from property Dividends received 17,920 1,125 53,870 3,760 During 2022-23, Pauline paid interest of £450 on a loan which she used to buy a share in the business partnership of which she is now a member. Adrian paid maintenance of £4,000 to his former wife, as required by a court order. She was born in 1977 and has not remarried. He also made Gift Aid donations of £680. 
2. Show Pauline's and Adrian's income tax computations for 2022-23. Geoffrey's income for 2022-23 comprises a salary of £114,600 and dividends received of £4,400. He makes qualifying Gift Aid donations of £7,200 during the year. 
3. 
   
4. Calculate his 2022-23 income tax liability.