Two mutually exclusive investment opportunities require an initial investment of $5 million. Investment A then generates $1.5 million per year in perpetuity, while investment B pays $1 million in the first year, with cash flows increasing by 3% per year after that. At what cost of capital would an investor regard both opportunities as being equivalent? Question 3 options: A) 3% B) 6% C) 9% D) 10%