An investment project gives rise to the following cash flows. At the beginning of each of the first three years, 180,000 will be invested in the project. From the beginning of the first year until the end of the the twenty-fifth year, net revenue will be received continuously. The intial rate of payment of net revenue will begin at 25,000 per annum. The rate of payment is assumed to grow continuously at a rate of 6% per annum effective. (i) Calculate the net present value of the project at an effective rate of interest of 7% per an- num. (ii) Calculate the discounted payback period of the project at an effective rate of interest of 7% per annum