Find the values of the following annuities on October 31, 2017 using 5% interest a) A series of 12 annual payments of $5000 with the first payment on December 31, 2020. b) Annual payments of $8000 made every June 1 from 2007 to 2014. c) Payments of S15,000 made every March 31 from 2011 to 2020