Part A Write a letter to the Economics Department in London University in which to apply for the MS course of Economics and Statistics. In this letter, tell them: (1) Where you get the information of this subject; (2) Your experience; (3) Why you choose this subject. You should write approximately 100 words. Do not sign your own name at the end of your letter. Use 'Xiao Xin' instead. You do not need to write the address.