3. A 10-year loan of 4000 is to be repaid with payments at the end of each 6-month period. It can be repaid under the following two options: (i) Equal semiannual payments at a nominal interest rate convertible semian nually of 12%. (ii) Installments of 200 each 6-month period plus interest on the unpaid bal ance at a nominal interest rate convertible semiannually of j. The sum of the payments under option (i) equals the sum of the payments eterminej