A dealer assumes an amount of 20,000 at a simple interest rate of 10% annually. If it is agreed to pay the principal of the loan in the form of equal installments of the principal and the interest together, so that one installment includes part of the principal and part of the interest together, and each installment is paid at the end of every 4 months. If the debtor fulfills the agreement, find the value of the single installment if The bank invested its money from debtors upon receipt at an annual interest rate of 12%