ABC Company is considering two projects, Project A and Project B, which require investments of ₱100,000 and ₱150,000, respectively. The company expects cash inflows of ₱30,000 per year from Project A and ₱45,000 per year from Project B for the next five years. The company's cost of capital is 10%. 

Using this information, answer the following questions: 

1. 1. What is the payback period for each project?
2. 2. What is the net present value (NPV) of each project?
3. 3. What is the internal rate of return (IRR) for each project? 
4. 4. Based on the results of your analysis, which project should the company choose?