Consider the following investment scenario:

1. Initial cost: $90,000
2. Year 1 cash inflow: $10,000
3. Year 2 cash inflow: $15,000
4. Year 3 cash inflow: $20,000
5. Year 4 cash inflow: $25,000
6. Year 5 cash inflow: $30,000 Calculate the NPV if the required return is 11% and determine the IRR.