Dallas needs a new refrigerator that costs $799. Which of the following payment methods should Dallas use to pay for the refrigerator? Dallas wants to make sure there are sufficient funds to cover the purchases and minimize the interest, if any, that will be needed to pay for the purchases.

Method 1: he should use the debit card with a $600 balance
Method 2: he should use the credit card with $1,000 credit limit and a potential 5% interest on the purchases if the amount is not paid in full by the statements due date
Method 3: He should use a $799 payday loan with 7% interest
To ensure that there are sufficient funds and to minimize potential interest, Dallas should use payment Method ________ to make the purchase.

Dallas should use payment Method 1: use the debit card with a $600 balance, since he has sufficient funds to cover the purchase and it does not involve any interest.