1) Project K costs $49,525.34, its expected cash inflows are $10,000 per year for 10 years, and its WACC is 13%. What is the project's IRR?

2) Project K costs $60,000, its expected cash inflows are $14,000 per year for 7 years, and its WACC is 10%. What is the project's payback?

3) Project K costs $45,000, its expected cash inflows are $11,000 per year for 8 years, and its WACC is 8%. What is the project's discounted payback?

4) Project K costs $75,000, its expected cash inflows are $15,000 per year for 9 years, and its WACC is 13%. What is the project's NPV?