my statement on16 /12/23 said I had a balance of £3673.84 and my minimum payment date was 10/01/24.
On 23 Dec I paid in £1600 and on 28 Dec 2023 I paid in £2000, leaving an outstanding balance of £73.84
My statement on 10 Feb 2024 says I have been charged £61.45 interest. How was this calculated?