d. Power rates will be established as follows: Federal project irrigation pumping--2.5 mills per kilowatt-hour. Federal project M&I pumping--Cost per kilowatt-hour associated with producing power from Bridge and Marble Canyon powerplants plus repayment of an appropriate share of investment costs with interest. Commercial sale--Rates will be determined from a continuing analysis and will be based on a charge commensurate with costs, including financial assistance as desirable. For purposes of report preparation, it is assumed that the commercial power rate will average out at 6.0 mills per kilowatt-hour. Hoover and Parker-Davis revenues, after they have retired existing debt, would accrue to the Development Fund. For purposes of report p...