Kenner Broom buys a machine for his business. The machine costs $150,000. Kenner estimates that the machine can produce $40,000 cash inflow per year for the next five years. His cost of capital is 12 percent. What is the approximate profitability index of this investment? 0.96 1.08 1.10 1.22 William LaForge buys a machine for his business. The machine costs $150,000. William estimates that the machine can produce $40,000 cash inflow per year for the next five years. William's cost of capital is 10 percent. What is the approximate internal rate of return? 8.95% 9.43% 10.43% 11.59% William LaForge buys a machine for his business. The machine costs $150,000. William estimates that the machine can produce $40,000 cash inflow per year for the next five years. William's cost of capital