I have enclosed a scan of the paper with the questions highlighted in red (questions 3 and 4).What is needed is:3) Compare the economics of single and three phase distribution4) Compare and evaluate the different forms of alternate energyUnderstand the economics of components power systems and alternative energy:Economics: economic considerations eg power factor correction energy tariffs Kelvins lawcompact fluorescent lighting; comparisons of single and three-phase systems; high and lowefficiency motorsAlternative energy: geothermal; solar; wind; water; biomass eg liquid biofuel solid biomassbiogasEvaluation: cost (capital operating); efficiency; energy storage; environmental impact;feasibility on large and small scale