研发样品对外销售其材料费用，可以享受研发费用加计扣除吗？

Group 1 - The article discusses the treatment of material costs in R&D and product costs, emphasizing that while these costs can be included in R&D expenses or product costs, they do not qualify for additional deductions under R&D expenses [5] - It highlights the importance of accurately categorizing these material costs to avoid future tax liabilities, including penalties and impacts on the company's tax credit rating [5] - The article stresses the necessity of compliance in tax matters, indicating that technical breakthroughs must be accompanied by adherence to regulations [5] Group 2 - The article references the National Taxation Administration's guidelines on recognizing income from equity transfers, stating that income should be recognized when the transfer agreement is effective and the equity change procedures are completed [11] - It clarifies that costs incurred to acquire equity can be deducted when calculating capital gains from equity transfers, but not the retained earnings of the invested enterprise [12] - The article also addresses tax treatment for promotional sales, indicating that bundled sales should allocate total sales amounts based on the fair value of each item [14]