Question 4 (10 marks) Today, the Hong Kong Monetary Authority (HKMA) announced the tender results of the latest new issue of the Exchange Fund Bills (EFB). Open Bank, one of the Eligible Market Makers (EMM) recognized by the HKMA, has been successfully allotted 83 units of the 182-day EFB (a) (6 marks) If the final bid yield of the 182-day EFB is 1.38% pa. and the par value of one unit of EFB is $500,000, assess the total amount which Open Bank has to pay to the HKMA upon settlement (b) Critically discuss two functions performed by financial markets 4 marks) that improve the efficiency of an economy