You are deciding between two mutually exclusive investment opportunities. Both require the same initial investment of$ 9.7 million.Investment A will generate $ 2.12million per year(starting at the end of the firstyear) in perpetuity. Investment B will generate $ 1.41million at the end of the firstyear, and its revenues will grow at2.5 %per year for every year after that.

2.12 mil / r = 1.41 mil / (r-0.025)

r=?