Skye Builders plc is involved in long-term construction projects and has three contracts that began in 2022. The following figures for the year ended 31 December 2022 are relevant. Required: a) How are the contract revenues for construction projects recognised under IFRS? (6 marks) b) Calculate for all three projects the profits recognised for the year ended 31 December 2022 and excerpts from the statement of financial position as at that date, showing relevant assets and liabilities. (14 marks) (Total: 20 marks)