please solve, i have less time

4. ABC Company is considering two mutually exclusive projects. Both require an initial investment of $50,000 each and have a life of five years. The cost of capital of the company is 10% and the estimated net cash inflows of the two projects are as follows: Year Project B 11 Project A 20,000 22,000 30,000 2 27,000 3 28,000 22,000 25,000 4 25,000 5 30,000 20,000 Which project should be accepted as per a. Discounted Payback method b. Net Present Value methods c. Internal Rate of Return (4-3M)