City of Kenton v. Public Utilities Commission

In the original brief of appellants arguments were listed under seven headings, although no assignments of error were set forth.

In oral argument and in a supplemental brief of appellants, filed subsequent- to oral. argument by permission of the court, *73the appellant alleged error in the finding of the commission in two respects: (1) rate base depreciation, and (2) rate of return.

Appellants argue that the finding of the commission that the rate base depreciation should be determined upon the evidence submitted by the commission’s staff, based upon the “field observation method,” is contrary to…