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Section 3 <br />Table 3-1below summarizes the functional watercosts for the 2019Test Year. <br />The detailed cost functions are shown in Exhibit 3-A. <br /> <br /> <br /> <br />Revenue <br />ComponentRequirement <br />Plant$1,122,360 <br />Distribution1,029,888 <br />Customer96,429 <br />Revenue(11,508) <br />Total$2,237,169 <br />Classification of Costs <br />ERMU <br />classifications.The watercost classifications are described below. <br />Demand Related demand related costs are costs required to meet the overall <br />maximum demand on the system. Demand related costs are predominately <br />associated with facility fixed costs. <br />CommodityRelatedcommodity costs tend to vary with the annual quantity of <br />water produced. <br />Customer Related costs related to serving, metering and billing of individual <br />customers. <br />Revenue Related revenue related costs vary by the amount of revenue received <br />by the utility or are associated with other operating and non-operating revenues. <br />Exhibits 3-B through 3-Dshow the detailed classification of revenue requirements <br />within the plant, distribution and customer functions. <br />-8- <br />189 <br />