确定组织的产品/服务预期的市场需求的基本水平。使用历史数据、市场环境分析和任何外部性等估计产品和服务的未来需求，以创建事前近似值。 Identify the bedrock levels of market demand anticipated for the organization's products/services. Estimate future demand for product and services using historical data, analysis of the market environment and any externalities, etc. to create ex ante approximations.