public void ProcessContract(Contract contract, int months)
{
double basicQuota = contract.TotalValue / months;
for (int i = 1; i <= months; i++)
{
DateTime date = contract.Date.AddMonths(i);
double updateQuota = basicQuota + _onlinePaymentService.Interest(basicQuota, i);
double fullQuota = updateQuota + _onlinePaymentService.PaymentFee(updateQuota);
contract.AddIntallments(new Installment(date, fullQuota));
}
}