Craig began trading on 1 June 2021 and has the following results:

Before commencing to trade, Craig had only investment income. He sold all of his investments in May 2022 (realising a large capital gain) so as to raise extra working capital for his own business. His income from investments in recent years has been:

(a) Compute Craig's trading income for 2021-22 to 2023-24.

(b) Explain the trading loss reliefs available to Craig. Which would you recommend?