This report evaluates two manufacturing projects (belts and trainers) for DDK plc using investment appraisal techniques. The analysis includes the calculation of payback periods and net present values (NPV) for each project, considering initial investments, cash flows, and a 14% discounting rate. The report highlights that Project B (manufacturing trainers) is more favorable due to a shorter payback period and a higher NPV, indicating better profitability. Financial and non-financial factors influencing investment decisions are also discussed, including the cost of the project, discount rates, returns, and operational flexibility. The conclusion recommends Project B for its superior financial performance, offering insights into capital budgeting and project selection.