The accumulated value just after the last payment under 12-year annuity of 1000 per year, paying effective annual interest rate of 6%, is to be used to purchase a 10-year annuity at an effective annual interest rate of 7% with the first payment to be made 4 years after the last payment under the first annuity. Find the amount of the payment under the 10-year annuity assuming that the 7% rate starts from the time of the last payment under the 12-year annuity.