This report provides a detailed analysis of investment valuation techniques in business finance, focusing on tools like Net Present Value (NPV), Internal Rate of Return (IRR), Accounting Rate of Return (ARR), and Payback Period. It illustrates these techniques with a case study involving Auditzz Electronics, calculating cash flows, and performing sensitivity analyses to assess the impact of changing prices and demand. The report examines the feasibility of an investment, comparing IRR and NPV against required rates of return, and discusses the relationship between positive NPV and the efficient market hypothesis. It concludes with recommendations for organizations to make informed investment decisions by carefully evaluating profitability and feasibility using both discounted and non-discounted methods. The report emphasizes the importance of these techniques in making conscious investment decisions.