public string MXN()
{
var valueCurrency = exchangeService.Calculate("MXN", "BRL", 1);
var resourceName = "BankRef.View.Cambio.MXN.html";
var assembly = Assembly.GetExecutingAssembly();
var streamResource = assembly.GetManifestResourceStream(resourceName);
var streamReader = new StreamReader(streamResource);
var pageText = streamReader.ReadToEnd();
var pageResult = pageText.Replace("@VALUE", valueCurrency.ToString());
return(pageResult);
}