A company is considering two mutually exclusive projects Adept and Boffo. Project Adept requires an initial investment of $100,000 and is expected to generate after-tax cash flows of $45,000 per year for three years. Project Boffo requires an initial investment of $150,000 and is expected to generate after-tax cash flows of $50,000 per year for four years. The appropriate discount rate is 10%. What is the crossover rate for projects Adept and Boffo? 4.06% 16.65% 12.59% 7.77%