Find the amount necessary to fund the given withdrawals. 15) Semiannual withdrawals of $1,000 for 8 years; interest rate is 4.6% compounded semiannually. A) $13,985.41 B) $13,260.52 C) $13,834.86 D) $14,789.38 Find the lump sum deposited today that will yield the same total amount as this yearly payment made at the end of each year for 20 years at the given interest rate, compounded annually. 16) $50,000 at 4% A) $652,335.66 B) $653,381.07 C) $706,696.97 D) $679,516.32