These are the three sub-questions of the second question. Please help me with these three questions. Thank you very much.

Which of the following investment appraisal methods take the time value of money into account. You may choose more than one. Accounting rate of return Internal rate of return Net present value Payback You are preparing the estimated cash flows for a project. The project will need an average cash balance of 36,000 for day to day operations. Non-current (fixed) assets for the project will cost 778,000. Stocks/inventory will turnover once every 2.4 weeks; the average period of credit given to customers [debtors/receivables] will be 1.5 weeks; suppliers (creditors/payables] will provide an average of 1.0 weeks credit. What is the working capital requirement (in weeks, to one decimal place) for this project? The following is the cash flow model for an investment project. Year Cash flow 0 (262) 1 70 2 72 3 86 4. 84 5 79 Calculate the payback period for the project correct to one decimal place