Beta Corporation is considering investing in a new project. The initial investment required is SAR 300,000. The project is expected to generate cash flows of SAR 70,000 in Year 1, SAR 90,000 in Year 2, SAR 110,000 in Year 3, and SAR 130,000 in Year 4. The company's required rate of return is 12%. Calculate the net present value (NPV), internal rate of return (IRR), and payback period for the project. Based on these calculations, advise Beta Corporation on whether to proceed with the investment.