Harriet wishes to accumulate $60,000 in a fund at the end of 25 years. She plans to deposit $80 into the fund at the end of each of the first 120 months. She then plans to deposit $80 + X into the fund at the end of each of the last 180 months. Assume the fund earns interest at an annual effective rate of 3.66%. Determine X. A Less than $86 At least $86, but less than $88 c) At least $88, but less than $90 At least $90, but less than $92 E At least $92