This article details a simplified approach to within-the-year supply expenses projections. Each factor of the projection formulas is discussed and the final formulas given. An example clarifies the projection calculations.
本文详细介绍了一种年内供应费用预测的简化方法。文中讨论了预测公式的各个因素，并给出了最终公式。一个示例阐明了预测计算过程。
