Malcolm's gross annual salary is £57,500. He is also entitled to an annual bonus which is based on his employer's profits for the previous calendar year. His bonus for the year to 31 December 2022 was £8,350 (which he received on 9 April 2023). His bonus for the year to 31 December 2023 is £9,570 (which he receives on 18 April 2024). Malcolm is not a company director.

Calculate his employment income for 2023-24.