Which of the following statements concerning capital budgeting methods is/are correct?

Group of answer choices

a. The IRR and NPV methods may provide conflicting recommendations when choosing independent projects.

b. The discounted payback period method discounts accounting earnings at the cost of capital for risky projects.

c. The IRR and NPV methods may provide conflicting recommendations when choosing among mutually exclusive projects.

d. The pure payback method is the best method for evaluating large scale investment projects because it measures how fast the firm can recover the initial investment.

e. Both c and d are correct.