Equity refers to the considerations of fairness or justice in the setting of rates - fairness between investors and consumers when the general level of rates is at issue, and the fairness among different classes of consumers when the rate relationships are under inquiry. Fair treatment in the setting of rates does not necessarily mean equal rates since, for example, the unit costs of serving different customer classes may be different. Also, that part of a business enterprise owned by the stockholders. Usually represented in the financial