public async Task <decimal> CalcularAsync(decimal valorInicial, int meses)
{
var juros = await _taxaJurosService.ObterAsync();
var calculo = (decimal)Math.Pow((double)(1 + juros), meses);
calculo = valorInicial * calculo;
var step = (decimal)Math.Pow(10, 2);
var tmp = Math.Truncate(step * calculo);
return(tmp / step);
}