Five deposits of 100 are made into a fund at two-year intervals with the rst deposit at the beginning of the rst year. The fund earns interest at an annual eective rate of 6% during the rst six years and at an annual eective rate of 5% thereafter. Calculate the annual eective yield rate earned over the investment period ending at the end of the tenth year.

(A) 5.18% (B) 5.40% (C) 5.50% (D) 5.58% (E) 5.84%