Which results in a lower total interest charge, borrowing $1,000 to be repaid 12 months later as

Question:

Which results in a lower total interest charge, borrowing $1,000 to be repaid 12 months later as a single-payment loan or borrowing $1,000 to be repaid as a 12-month installment loan? Assume a simple interest method of calculation at 12 percent interest. Defend your answer.