In RT Mart, there is a special credit card for installment, called RT Mart Member Dragon Card. As long as there are more than 1000 and less than 3, it can be divided into stages. As long as this card meets the requirements, it can be done in stages, so don't worry about the bank's disapproval.
Credit card can be phased, that is, you must pay by credit card first, and then apply. Generally, it is applied for.