FOI Request - Cost of FOI

Request 101003593654

1. Do you have a policy of recording the cost of satisfying FOI queries, and if so, how is this calculated?
2. If you calculate the costs of FOIs to the organisation, what has been the total cost of satisfying FOI queries for each year between 2013-2023?
3. Please provide details of the subject of the enquiry and the reason for classification as vexatious for all such requests for each of the years between 2013-2023?
4. What criteria or guidelines do you use when deciding if a request is ‘vexatious’ or not? Could you supply copies of any guidelines or policy documentation relating to this?