I uploaded this question earlier but I want it without using excel. Please answer with formulas and not excel

Question 3 4 marks Net Present Value (NPV). RAK Itd made an investment in Project A and expects the following estimated Net Cash Inflows below for five (5) years. Use this information to answer the questions that follow: Project A Time (10,000) 2,500 5,000 4,500 8,000 3,500 a) Calculate Net Present Value (NPV) of Project A, assuming the cost of capital is 10% per annum. 2 marks b) Should RAK Ltd accept this Project? If YES, Why? If NO, why not? Assume an annual interest rate of 10% for all five (5) years. 2 marks FOLLMAS 0 1 2 3 4 5