/// <summary>
/// Constuctor
/// </summary>
/// <param name="taxRates"></param>
public TaxCalculationService(IRateDatasSource taxRates)
{
_taxRates = taxRates;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="taxRatesDb"></param>
public RatesDataFileProcessor(IRateDatasSource taxRatesDb )
{
_taxRates = taxRatesDb;
//_outputWriter = outputWriter;
}