If money can earn 6.5% compounded annually for the next 20 years, which of the following annuities

Question:

If money can earn 6.5% compounded annually for the next 20 years, which of the following annuities has the greater economic value today: $1000 paid at the end of each of the next 10 years, or 10 annual payments of $2000 with the first payment occurring 11 years from today?