A perpetuity is to pay $6,250 at the end of every six months. How much more money is required to fund the perpetuity if the money can be invested to earn 3% compounded semiannually instead of 4% compounded quarterly? Select one: O a. 166,667 O b. 208,333 C. 266,667 0 d. 133,333 O e. 222,223