A debt of $ 12000 due in eight years from now is instead to be paid off in four payments as follows (i) $1200 is paid now, (ii) $ 2800 paid in 2 years, (iii) $ 4000 paid in four years,and (iv) final payment is made at the end of six years If the interest rate is 4.8% compounded quarterly, what would be the final payment?