Which of the following statements is false as it relates to free cash flow?

a) Free cash flow should always be discounted at the companys WACC?

b) Interest payments to the firms bondholders should be subtracted from revenues

c) When you depreciate the tax savings should be added to revenues for the year

d) Money that you wont actually receive, but would have received if you didnt do the project, should be considered in free cash flow