The report discusses the investment appraisal methods used by Kingston Tech Ltd. to evaluate its proposals. It highlights that Net Present Value (NPV) and Internal Rate of Return (IRR) are suitable for long-term investments, while Payback Period is beneficial for short-term investments. The report also emphasizes the importance of analyzing the viability of a proposal before selecting an investment method. Ultimately, it recommends that Kingston Tech Ltd. should use NPV or IRR to select the best proposal.