Application research on optimization model for tax planning in profit and loss compensation;
优化模型在盈亏抵补纳税筹划中应用的研究
Use the average mariginal profit ratio to calculate the equilibrium point of profit and loss.
利用平均边际收益率计算盈亏平衡点，利用平均单位售价和平均单位变动成本计算盈亏平衡点，利用固定费用分摊法计算盈亏平衡