Which of the Following Statements Is Incorrect

Which of the following statements is incorrect?

A) The payback period method ignores cash flows after the payback period.
B) The payback period treats a dollar received in year one equivalent to a dollar received in year four.
C) An increase in a project's salvage value would not result in a change in the accounting rate of return.
D) A decrease in the discount rate will result in an increase in the profitability index.