This article discusses different capital budgeting techniques such as payback period, accounting rate of return, net present value, and internal rate of return. It also evaluates the financial performance of TESCO Plc using various ratios such as gross profit margin, return on assets, current ratio, liquid ratio, stock days, trade receivable, trade payables, and gearing ratio. Additionally, it highlights the limitations of accounting ratios and factors affecting TESCO's performance.