code: @Override
  	public com.liferay.commerce.tax.engine.fixed.model.CommerceTaxFixedRate addCommerceTaxFixedRate(
  		com.liferay.commerce.tax.engine.fixed.model.CommerceTaxFixedRate commerceTaxFixedRate) {
  		return _commerceTaxFixedRateLocalService.addCommerceTaxFixedRate(commerceTaxFixedRate);
  	}
docs: Adds the commerce tax fixed rate to the database. Also notifies the appropriate model listeners.
  
  @param commerceTaxFixedRate the commerce tax fixed rate
  @return the commerce tax fixed rate that was added