Diane (who is not a Scottish taxpayer) is self-employed and a member of three registered pension schemes. Her pension input amounts for 2023-24 are as follows:

Diane's "adjusted income" for 2023-24 is £316,000 and her marginal rate of income tax for the year is 45%. Her "threshold income" for 2023-24 exceeds £200,000. Compute the annual allowance charge for the year, assuming that there is no unused annual allowance to bring forward from the previous three years.