A property can be purchased in cash by $570000 or through an equivalent plan that consists of a down payment of 10% of this amount, plus six monthly installments of $ 2,000.00 paid directly to the construction company, which works with monthly interest of 3.00%, after which the debit balance is financed by a financial agent in 20 years, at the rate of 0.80% p.m., with semiannual payments of $5,000.00 simultaneously with equal monthly installments, with no grace period.

Determine the amount of each monthly installment to be paid to the financial agent