please answer the following questions

Pedro Spler, the president of Spier Enterprises, is considering two investment opportunities. Because of limited resources, he will be able to invest in only one of them. Project A is to purchase a machine that will enable factory automation; the machine is expected to have a useful life of four years and no salvage value. Project B supports a training program that will improve the skills of employees operating the current equipment. Initial cash expenditures for Project A are $100,000 and for Project B are $38,000. The annual expected cash inflows are $30,867 for Project A and $13,580 for Project B. Both investments are expected to provide cash flow benefits for the next four years. Spier Enterprises' cost of capital is 8 percent Required a-1. Compute the net present value of each project. (Round your final answers to 2 decimal places.) Net Present Value Project A Project B a-2. Which project should be adopted based on the net present value approach? O Project B Drniert a-2. Which project should be adopted based on the net present value approach? O Project B O Project A b-1. Compute the approximate internal rate of return of each project. Internal Rate of Return % Project A Project B % b-2. Which one should be adopted based on the internal rate of return approach? O Project A O Project B