2(a) (16 marks) A Structural Engineering Consultant has been appointed by a client for a residential building project which has reached Substantial Completion on 10 May 2020 and the substantial completion was delayed 17 days of the original signed project completion. The Liquidated and Ascertained Damages (L.D.) for the project is HKD$300,000 per day. Which date is the original signed project completion and the total L.D. that should be paid by the contractor to the client based on the following information? Remarks: i. Assume project working days include public holidays and Sundays. ii. The contractor applied for 15 days of Extension of Time (E.O.T.). iii. Only 10 days of E.O.T. were granted to the contractors. iv. 2(b) List the six essential ingredients of a valid contract. (6 marks) 2(c) List 4 ways for Discharge of Contract with elaboration. (8 marks)