1. (10 points) Deposits of 1 are made at the beginning of each year for 2n years. The account credits interest at an annual effective rate of i. The accumulated amount at the end of n years is 157.990 0775, and the accumulated amount at the end of 2n years is 3058.932 107. Find the accumulated amount at the end of 2n - 1 years. 1. (10 points) Deposits of 1 are made at the beginning of each year for 2n years. The account credits interest at an annual effective rate of i. The accumulated amount at the end of n years is 157.990 0775, and the accumulated amount at the end of 2n years is 3058.932 107. Find the accumulated amount at the end of 2n - 1 years