Annette commenced trading on 1 October 2017, preparing her accounts to 30 June. The adjusted profits for the first 3 accounting periods have been agreed as follows:

Period to 30 June 2018 12,150

Year ended 30 June 2019 10,000

Year ended 30 June 2020 17,400

Required:

Identify the tax years, the basis periods and the taxable profits for each of the above periods. Identify also the overlap profits.