资料题：What is the main purpose of the second letter?

Mr. John SimonsPersonnel Department of Walters Corporation1058 Trenton Avenue, Columbus, Ohio 21667November 4, 20082156 Kennewick Dr.Bloomington, IN 328888Dear Mr. John Simons,I was pleased to see your adertisement for the position of Chief Accountant in the October 31 edition of World Star Newspaper.I have been interested in your corporation for some time and have particularly noticed the recent achievements she has made with her product developoment program. The article by the CEO, Mr. Jefferson, in the Economnic Review of February last year, gave some particuler insights into developrment in this field.I would like to apply for the position advertised. As well as holding the qulifications requested I also have relevant background that would make me a useful member of your corporation. Four years of college have trained me in accounting and full charge bookkeeping through trial balance. My 30 credits in accounting and courses in electronic data processing have equipped me to work with computer-based companies like yours. Training in business writing, human relations, and psychology should help me achieve solid rapport with them. And advanced studies in investment accounting will enable me to analyze the investing prospects from a planning perspective.Because your company specializes in investment, my work experience could also be beneficial. After two years as a part-time financial analyst at George Commercial Group, I gained some practical knowledge in investment forecasting and decision-making. My accomplishments at that company were acknowledged by a substantial salary increase.Mr. White, vice- manager of the City Bank, and other references on the enclosed resume will confim you my potential for the accountant position.At a time convenient for you, I would appreciate the opportunity to discuss my qulfications for begining a career with Walters Corporation. You may contact me at the cell phone number in the resume or the address on the lttehead.Thank you for your consideration!Sincerely yours,Allen PorterENCLOSURE: Resume November 16, 2008Mr. Allen Porter2156 Kennewick Dr.Bloomington, IN 32888Dear Mr. Porter,We were pleased to receive your letter of inquiry and resume on November 8. In response to our job announcement, we received twenty applications from qualified accountants. Although we were impressed with your background, we are sorry to inform you that we have hired another applicant.We wish you the best of luck in your job-hunting.Thank you for your interest in the Walters Corporation.Sincerely,John SimonsPersonnel Director