Brist Ltd is a UK resident company which prepares annual accounts to 31 March. In the year to 31 March 2021, the company had a UK trading profit of £2,120,000 and received overseas property income of £98,000 (this figure is net of 30% withholding tax).

(a) Compute the company's corporation tax liability for the year and explain the treatment of any unrelieved foreign tax.

(b) Would the situation be any different if the overseas property income was replaced by trading income from an overseas branch?