A company is considering two alternatives, one of which must be implemented. Of the two projects, A has the higher maintenance cost, but B has the higher investment cost. The appropriate (and properly calculated) incremental IRR is 17.6 percent. Which alternative is preferred if the minimum attractive rate of return is 20 percent?

a. A

b. B

c. The company is indifferent between A and B

d. Cannot be determined from the information given