Kristi wants to buy a house in 10 years. She estimates she will need $200,000 at the time. She currently has a zero-coupon bond with a market value of $4,600 that she will use as part of the required amount. The zero-coupon bond has a face value of $10,000 and will mature in 10 years. The bond has a semiannual effective interest rate of 4.323%. In addition to the bond, she wants to save a monthly amount to reach her goal. What is Kristi's required monthly payment made at the beginning of each month in order to accumulate the $200,000, including the zero-coupon bond, at an assumed interest rate of 11%?