Bill and Ellen Sweatt plan to invest $2, 500 a year in an educational IRA for their granddaughter, Sloane Martin. They will make these deposits on January 2^nd of each year. Bill and Ellen feel they can safely earn 8%. How much will be in this account on December 31 of the 18^th year? (For calculation purposes, use 5 decimal places as displayed in the factor table provided. Round answer to 2 decimal places, e.g. 52.75.) Amount on December 31