A lender providing a loan of $5.5 million requires semi-annual payment of interest at a nominal rate of 6.6% per year, and repayment of the $5.5 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 6% per year when compounded semiannually. What is the borrowers total cash outlay every 6 months?