A lender providing a loan of$8.5 million requires semi-annual payment of interest at a nominal rate of 7.9% per year, and repayment of the$8.5 million principal at the end of 15 years. The borrower plans to accumulate that principal for repayment at the end of 15 years using level semi-annual deposits into a sinking fund that earns interest at a nominal rate of 5% per year when compounded semiannually. What is the borrower's total cash outlay every 6 months?