2400, ..... 3. (10 points) Dr. Tool makes 10 end of year deposits of 600, 1200, 1800, 5400, 6000. His savings account credits interest at an annual effective rate of i. The amount of interest credited to Tool's account during the 11th year (the year following his last deposit) is 1200. Find i. 2400, ..... 3. (10 points) Dr. Tool makes 10 end of year deposits of 600, 1200, 1800, 5400, 6000. His savings account credits interest at an annual effective rate of i. The amount of interest credited to Tool's account during the 11th year (the year following his last deposit) is 1200. Find