1. On 12/31/2001, Thelma started making annual deposits of 1,000 into an account paying an effective annual rate of i. Thelma made 10 deposits. Zelma also began making deposits of 1,000 on the same date, at the same rate, but Zelma made only 9 deposits. On 12/31/2010, the sum of the two account balances was 23,000. Calculate i. (A) 0.02 (B) 0.025 (C) 0.03 (D) 0.035 (E) 0.04