A married man (born 3 November 1934) died on 8 July 2021. He received a retirement pension of £15,000 between 6 April 2021 and the date of his death. His wife (born 12 August 1940) had no income whilst her husband was alive but received a pension of £19,955 between 8 July 2021 and 5 April 2022. They were married in 1970 and made no elections in relation to the married couple's allowance. 

Calculate their income tax liabilities for 2021-22.