(Nonannual compounding using a calculator) Hank Schrader plans to invest $1,800 at the end of each 6-month for 4 years into an account with an APR of 11.1 percent compounded semiannually. He will use this money as a down payment on a new home at the end of the 4 years. How large will his down payment be 4 years from today? After 4 years, Hank will have $ (Round to the nearest cent.)