You are indecisive between two investments. Both cost $90,000, but investment A pays $35,000 a year for four years while investment B pays $30,000 a year for five years. If your required return is 13%, which should you choose? Select one: a. A, because the IRR exceeds 13%. b. B, because the IRR exceeds 13%. c. B, because it has a higher NPV. d. A, because the project has a higher IRR. e. A, because it pays back sooner