i need the answer quickly

1 The economic unit (R) has an idle energy of 30%, which represents two machines that were purchased five years ago, and we want to invest them. The maximum energy was 12558000 d. And, as a management accountant, you were asked to cooperate with the economic expert in studying the feasibility of this investment project, if you knew that the unit obtains annual savings doubled from the previous year by 65%, the revenues of the first year are 600,000 d, and the cost of capital is 14%, the required / project evaluation b (payback period, net present value)