s twenty-sixth birthday, he deposited $6,000 in a retirement account. Each year thereafter,… Show more On Juan’s twenty-sixth birthday, he deposited $6,000 in a retirement account. Each year thereafter, he deposited $1,000 more than the previous year. Using a gradient series factor, determine how much was in the account immediately after his thirty-fifth deposit if: a) annual compound of 4.7 % b) annual compound of 5.7% • Show less