19. Three years ago, Andrea loaned $2000 to Heather. The principal with interest at 9% compounded semiannually is to be repaid four years from the date of the loan. Eighteen months ago, Heather borrowed another $1000 for 3- years at 8% compounded semiannually. Heather is now proposing 2 to settle both debts with two equal payments to be made one and three years from now. What should the payments be if money now earns 6% compounded quakerly